[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/dictionaries/school/D/) [home](https://md.mova.elamur.ai/free/en/) / [dictionaries](https://md.mova.elamur.ai/free/en/dictionaries/) / [The school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/) / D # D [A](https://md.mova.elamur.ai/free/en/dictionaries/school/A/)[B](https://md.mova.elamur.ai/free/en/dictionaries/school/B/)[C](https://md.mova.elamur.ai/free/en/dictionaries/school/C/)[D](https://md.mova.elamur.ai/free/en/dictionaries/school/D/)[E](https://md.mova.elamur.ai/free/en/dictionaries/school/E/)[F](https://md.mova.elamur.ai/free/en/dictionaries/school/F/)[G](https://md.mova.elamur.ai/free/en/dictionaries/school/G/)[H](https://md.mova.elamur.ai/free/en/dictionaries/school/H/)[I](https://md.mova.elamur.ai/free/en/dictionaries/school/I/)[J](https://md.mova.elamur.ai/free/en/dictionaries/school/J/)[K](https://md.mova.elamur.ai/free/en/dictionaries/school/K/)[L](https://md.mova.elamur.ai/free/en/dictionaries/school/L/)[M](https://md.mova.elamur.ai/free/en/dictionaries/school/M/)[N](https://md.mova.elamur.ai/free/en/dictionaries/school/N/)[O](https://md.mova.elamur.ai/free/en/dictionaries/school/O/)[P](https://md.mova.elamur.ai/free/en/dictionaries/school/P/)[Q](https://md.mova.elamur.ai/free/en/dictionaries/school/Q/)[R](https://md.mova.elamur.ai/free/en/dictionaries/school/R/)[S](https://md.mova.elamur.ai/free/en/dictionaries/school/S/)[T](https://md.mova.elamur.ai/free/en/dictionaries/school/T/)[U](https://md.mova.elamur.ai/free/en/dictionaries/school/U/)[V](https://md.mova.elamur.ai/free/en/dictionaries/school/V/)[W](https://md.mova.elamur.ai/free/en/dictionaries/school/W/)[X](https://md.mova.elamur.ai/free/en/dictionaries/school/X/)[Y](https://md.mova.elamur.ai/free/en/dictionaries/school/Y/)[Z](https://md.mova.elamur.ai/free/en/dictionaries/school/Z/) 1123 words **1**[2](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/2/)[3](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/3/)[4](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/4/)[5](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/5/)[6](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/6/)[7](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/7/)[8](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/8/)[9](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/9/)[10](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/10/)[11](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/11/)[12](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/12/) 1. [**da**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/da.md) slang spelling and foreign word: «da» = the (slang), dad (dialect); Italian/Portuguese «da» = from; Russian «da» = yes — a fragment «Da» is a playful spelling of «the», as in «da best»; it copies how some people say «the». 2. [**dab**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dab.md) verb (dab, dabs, dabbed, dabbing); noun (a dab, dabs); adjective (a dab hand — UK informal) To touch something lightly and quickly several times, often with a cloth or sponge: «dab your eyes». 3. [**dabble**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dabble.md) verb (dabble, dabbles, dabbled, dabbling); noun dabbler To try an activity a little, as a hobby, without being very serious about it, as in «dabble in painting». 4. [**dabchick**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dabchick.md) noun (a dabchick, dabchicks) 1) A small water bird, also called the little grebe, which dives under water to catch small fish and insects and often swims with only its… 5. [**dachshund**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dachshund.md) noun (dachshund, dachshunds) 1) A dachshund is a small dog with a very long body, short legs and long ears, first bred in Germany to hunt badgers. 6. [**dad**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dad.md) noun (dad, dads; also daddy) 1) Dad is a word for father. It is written with a capital letter when used as a name: «Thanks, Dad!» 7. [**daddy**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daddy.md) noun (a daddy, daddies) (informal) 1) (informal) Daddy is what young children call their father. 2) (slang) «The daddy of them all» means the biggest or best one. 8. [**daffodil**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daffodil.md) noun (daffodil, daffodils) 1) A daffodil is a yellow spring flower with a trumpet-shaped centre that grows from a bulb. 9. [**daft**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daft.md) adjective (daft, dafter, daftest) 1) (informal, UK) Daft means silly or foolish. 2) (informal, UK) Daft about something means very keen on it: "She's daft about horses." 3)… 10. [**dagger**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dagger.md) noun (a dagger, daggers) A dagger is a short knife with a pointed blade, made as a weapon for stabbing. 11. [**dah**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dah.md) noun (a dah, dahs); interjection (dah) Dah is the long sound or long signal in Morse code, written as a dash (−); the short one is «dit». 12. [**dahl**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dahl.md) noun (dahl — uncountable; also dal, dhal); a name (Dahl) 1) Dahl (also dal or dhal) is a South Asian dish of split lentils, peas or beans cooked with spices into a thick stew, or the dried split… 13. [**daily**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daily.md) adjective (daily); adverb (daily); noun (a daily, dailies — a daily newspaper) 1) Happening or done every day. 2) Of or for one day: «the daily amount». 3) (adverb) Every day: «we feed the fish daily». 4) (noun) A… 14. [**daintily**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daintily.md) adverb (more daintily, most daintily) In a neat, delicate and careful way, especially when eating or moving. 15. [**dainty**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dainty.md) adjective (daintier, daintiest); noun (dainties) Small, neat, pretty and delicate: dainty feet, a dainty silver crown. 16. [**dairy**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dairy.md) noun (a dairy, dairies; dairy, uncountable); adjective (dairy) Food made from milk, such as cheese, butter, yoghurt and cream. 17. [**dais**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dais.md) noun (daises) A raised platform at one end of a hall, where a king, a speaker or a top table sits so that everyone can see. 18. [**daisy**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daisy.md) noun (daisy, daisies) A daisy is a small flower with white petals around a yellow middle. 19. [**dakota**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dakota.md) noun (Dakota, the Dakotas; a Dakota — a person); adjective (Dakota) North Dakota and South Dakota: two states in the middle north of the USA; together «the Dakotas». 20. [**dale**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dale.md) noun (dales) A valley: a low piece of land lying between hills, often with a stream or river running through it. 21. [**dalmatian**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dalmatian.md) noun (a Dalmatian, Dalmatians); adjective (Dalmatian) 1) A large dog with short white fur covered in black or brown spots. 2) Dalmatian: from Dalmatia, a coastal region of Croatia. 22. [**dam**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dam.md) noun (a dam, dams); verb (dam, dams, dammed, damming) A dam is a strong wall built across a river to hold back the water, making a lake behind it called a reservoir. 23. [**damage**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/damage.md) noun (damage, uncountable); verb (damage, damages, damaged, damaging) Damage is harm done to something so that it is broken, spoiled or weaker. 24. [**damask**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/damask.md) noun (damasks) 1) A rich cloth with patterns woven into it, used for curtains and tablecloths. 2) (old use) A pinkish-red colour, as in «damask roses». 25. [**dame**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dame.md) noun (dames) 1) (old use) A polite word for an older woman. 2) A title of honour given to a woman; in fairy tales «Dame» is put before a wise old… 26. [**damn**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/damn.md) verb (damn, damns, damned, damning); interjection (damn — rude); adjective and adverb (damn, damned — rude); noun (a damn — in «not give a damn») Said when you are angry, annoyed or disappointed: «Damn! I missed the bus.». 27. [**damosel**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/damosel.md) noun (damosels) (old use) An old spelling of «damsel»: a young unmarried woman or girl. 28. [**damp**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/damp.md) adjective (damp, damper, dampest); noun (damp — uncountable); verb (damp, dampen) 1) Damp means a little wet, not fully wet. 2) Damp is wetness in the air or in the walls of a house, which can make mould grow. 29. [**dampen**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dampen.md) verb (dampen, dampens, dampened, dampening) To dampen something is to make it a little wet. 30. [**dampness**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dampness.md) noun (dampness — uncountable) Dampness is a slight wetness, being a little wet in a way that is often unpleasant. 31. [**damsel**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/damsel.md) noun (damsels) (old use) A young unmarried woman or girl; in old stories a maiden, often in trouble and needing a hero. 32. [**dance**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dance.md) verb (dance, dances, danced, dancing); noun (a dance, dances; dance — the art) 1) To dance is to move your body to music. 2) A dance is one set of steps, like a waltz or a tap dance. 3) A dance is also a party where… 33. [**dancer**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dancer.md) noun (dancer, dancers) A dancer is a person who dances, often as a job or a hobby, such as a ballet dancer. 34. [**dandelion**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dandelion.md) noun (a dandelion, dandelions) 1) A dandelion is a common wild plant with a bright yellow flower that turns into a white fluffy ball of seeds, called a clock. 35. [**dane**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dane.md) noun, a name (a Dane, Danes); a Great Dane (a dog) 1) (a name) A Dane is a person from Denmark. 2) (a name) In history, the Danes were Vikings from Denmark who raided and settled in… 36. [**dang**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dang.md) interjection, adjective, adverb (dang, danged, dang it) 1) (euphemism, informal, US) a mild stand-in for «damn», showing annoyance or surprise. 2) (adverb, US) very («dang good»). 37. [**danger**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/danger.md) noun (danger, dangers) The chance of being hurt, harmed or killed: "in danger". 38. [**dangerous**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dangerous.md) adjective (dangerous, more dangerous, most dangerous) 1) Able or likely to hurt or harm someone: "a dangerous road". 2) Full of risk: "a dangerous game". 39. [**dangerously**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dangerously.md) adverb (dangerously, more dangerously) Dangerously means in a way that could cause harm or injury. 40. [**dangle**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dangle.md) verb (dangle, dangles, dangled, dangling) To dangle means to hang down loosely and swing. 41. [**dangling**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dangling.md) verb, the -ing form of «dangle» (dangle, dangles, dangled, dangling); adjective (dangling) Dangling means hanging loosely and swinging, often from something above. 42. [**daniel**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daniel.md) proper noun (Daniel) 1) (Bible) Daniel is a Jewish prophet in the Bible who was taken to Babylon, stayed faithful to God, and was thrown into a den of lions… 43. [**danish**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/danish.md) adjective (Danish); noun (Danish — the language; a danish, danishes — a pastry) Danish means from Denmark or to do with Denmark and its people. 44. [**dank**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dank.md) adjective (dank, danker, dankest); (slang) dank = very good 1) Unpleasantly cold, wet and stale-smelling: «a dank cellar». 2) (slang, mostly US, young people) Excellent, cool. 45. [**danseur**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/danseur.md) noun (a danseur, danseurs) A male ballet dancer; «premier danseur» means a leading male dancer in a ballet company. 46. [**danseuse**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/danseuse.md) noun (a danseuse, danseuses) A female ballet dancer; «première danseuse» means a leading female dancer. 47. [**daoism**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daoism.md) noun (Daoism; uncountable; also spelled Taoism) 1) A Chinese tradition of thought and religion based on the «Dao» (or «Tao»), «the Way» — the natural flow of the universe; it teaches… 48. [**dapper**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dapper.md) adjective (dapperer, dapperest) Neat, smart and trim in dress and movement, often small and quick. 49. [**dapple**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dapple.md) noun (dapples); adjective (dapple grey); verb (dapples, dappled, dappling) A pattern of spots or patches of light and shade, as under trees. 50. [**dappled**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dappled.md) adjective (dappled) Dappled means marked with spots or patches of different colours or shades. 51. [**dare**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dare.md) verb (dare, dares, dared, daring); noun (a dare, dares) To dare means to be brave enough to do something. 52. [**daredevil**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daredevil.md) noun (a daredevil, daredevils); adjective (daredevil) A daredevil is a person who does dangerous, exciting things, often to show off or to entertain people. 53. [**darjeeling**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darjeeling.md) noun (Darjeeling; also darjeeling, the tea); proper noun (Darjeeling, a place) Darjeeling, a town in the Himalayan hills of West Bengal in north-east India, famous for its tea gardens and its little «toy train». 54. [**dark**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dark.md) adjective (dark, darker, darkest); noun (the dark) Dark means with little or no light, like at night. 55. [**darken**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darken.md) verb (darken, darkens, darkened, darkening) 1) To become darker or to make something darker. 2) To become sad, angry or less hopeful, as a face or mood can. 3) (idiom) Never darken… 56. [**darkened**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darkened.md) adjective (darkened); verb past form of darken (darken, darkens, darkened, darkening) 1) Made darker or grown darker, with little light. 2) Past form of darken: the sky darkened. 57. [**darkening**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darkening.md) verb form of darken (darken, darkens, darkened, darkening); adjective (darkening); noun (darkening, rare) Darkening is the -ing form of «darken»: becoming darker, or making something darker. 58. [**darkey**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darkey.md) noun (old, offensive) An old, insulting word for a Black person. It is offensive and must not be used today. 59. [**darkly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darkly.md) adverb Darkly means in a threatening, mysterious or gloomy way. 60. [**darkness**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darkness.md) noun (darkness — uncountable) 1) Darkness is when there is little or no light. 2) Darkness can also mean evil or sadness in stories. 61. [**darling**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darling.md) noun (a darling, darlings); adjective (darling) Darling is a loving word for someone you love: «Come here, darling.». 62. [**darn**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/darn.md) verb (darn, darns, darned, darning); interjection (darn!); adjective/adverb (darn, darned — mild) To darn a sock or jumper is to mend a hole by sewing threads across it. 63. [**dart**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dart.md) noun (dart, darts); verb (dart, darts, darted, darting) A dart is a small pointed object you throw at a round board in a game called darts. 64. [**dartboard**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dartboard.md) noun (a dartboard, dartboards) 1) A dartboard is a round board, divided into numbered sections, at which you throw darts in the game of darts. 65. [**dash**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dash.md) noun (dash, dashes); verb (dash, dashes, dashed, dashing) 1) To dash means to run or go very quickly. A dash is a short, fast run. 2) A dash is a short race, like the 100-metre dash. 3) A dash is… 66. [**dashboard**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dashboard.md) noun (a dashboard, dashboards) A dashboard is the panel at the front of a car, under the windscreen, with the speedometer, dials, lights and controls. 67. [**data**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/data.md) noun (data, usually uncountable; formally plural of datum) Data is facts, numbers or information collected so they can be studied and used. 68. [**date**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/date.md) noun (date, dates); verb (date, dates, dated, dating) A date is the day, month and year when something happens or happened. 69. [**daub**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daub.md) verb (daub, daubs, daubed, daubing); noun (a daub) To daub is to smear something thick and sticky, such as paint, mud or clay, over a surface, often roughly. 70. [**daughter**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daughter.md) noun (daughter, daughters) 1) A daughter is a girl or woman who is someone's child. 71. [**daunted**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daunted.md) adjective (past form of the verb daunt: daunt, daunts, daunted, daunting) Daunted means frightened or put off by something big or hard, so that you lose heart. 72. [**dauntless**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dauntless.md) adjective Dauntless means brave, never afraid, not put off by danger or hard work. 73. [**daw**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daw.md) noun (plural daws) A daw is a small black bird of the crow family, a jackdaw; the word is old use and mostly found in country speech and old stories. 74. [**dawdle**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dawdle.md) verb (dawdle, dawdles, dawdled, dawdling) 1) To dawdle is to walk or do something too slowly, wasting time. 75. [**dawn**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dawn.md) noun (dawn, dawns); verb (dawn, dawns, dawned, dawning) Dawn is the time in the early morning when light first appears in the sky, just before the sun rises. 76. [**day**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/day.md) noun (day, days) A day is the time from one midnight to the next; a day has 24 hours and seven days make a week. 77. [**daybreak**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daybreak.md) noun (daybreak) 1) The time in the early morning when light first appears in the sky; dawn. 78. [**daydream**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daydream.md) noun (a daydream, daydreams); verb (daydream, daydreams, daydreamed or daydreamt, daydreaming) Pleasant thoughts you have while awake that take your mind away from what is around you: lost in a daydream. 79. [**daydreaming**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daydreaming.md) verb (-ing form of daydream: daydream, daydreams, daydreamed/daydreamt, daydreaming); noun (daydreaming — uncountable) Daydreaming is thinking about happy or imagined things while you are awake, so you stop noticing what is around you. 80. [**daylight**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daylight.md) noun (daylight — uncountable) Daylight is the natural light of the Sun during the day. 81. [**daytime**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daytime.md) noun (daytime; usually no plural); adjective use (daytime TV, daytime hours) Daytime is the part of the day when it is light outside, between sunrise and sunset. 82. [**daze**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/daze.md) noun (in a daze); verb (daze, dazes, dazed, dazing) A daze is a state where you cannot think clearly, after a blow or a shock. 83. [**dazed**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dazed.md) adjective (dazed); verb form (daze, dazes, dazed, dazing); noun (in a daze) Unable to think clearly for a short time, because of a hit on the head, a shock, tiredness or great surprise. 84. [**dazzle**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dazzle.md) verb (dazzle, dazzles, dazzled, dazzling); noun (dazzle); adjective (dazzling) When a bright light shines in your eyes so that you cannot see for a moment. 85. [**dazzled**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dazzled.md) adjective (dazzled); verb form (past of dazzle: dazzled) Unable to see clearly for a moment because of a very bright light: «I was dazzled by the car's headlights». 86. [**dazzlingly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dazzlingly.md) adverb In a way that is so bright or so striking that you cannot look at it easily; very beautiful or brilliant. 87. [**dc**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dc.md) abbreviation (DC, D.C., dc, d.c.) DC, d.c.: short for «direct current», electricity that flows in one direction only, as from a battery. 88. [**ddt**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/ddt.md) noun, abbreviation (DDT, uncountable) 1) DDT is a strong chemical insecticide (short for dichlorodiphenyltrichloroethane) that was once sprayed widely to kill mosquitoes, lice… 89. [**deacon**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deacon.md) noun (a deacon, deacons; deaconess) A deacon is a church minister below a priest, or in many Protestant churches a member chosen to help with services, care and practical work. 90. [**deactivate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deactivate.md) verb (deactivate, deactivates, deactivated, deactivating) To deactivate something is to turn it off or stop it from working. 91. [**dead**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dead.md) adjective (dead); noun (the dead — dead people); adverb (dead = very or exactly, informal) 1) Dead means no longer alive. 2) Dead can mean not working: a dead battery, a dead phone. 3) Dead can mean very quiet or with nothing… 92. [**deadline**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deadline.md) noun (a deadline, deadlines) A deadline is the latest time or day by which something must be done or handed in. 93. [**deadly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deadly.md) adjective (deadly, deadlier, deadliest); adverb (deadly — very, as in deadly serious) Able to kill or very likely to cause death: a deadly poison, a deadly snake. 94. [**deadpan**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deadpan.md) adjective (deadpan); adverb (deadpan); noun (deadpan — uncountable); verb (deadpan, deadpans, deadpanned, deadpanning) 1) Deadpan describes a way of telling a joke or saying something funny with a completely serious, blank face and flat voice, as if you do… 95. [**deaf**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deaf.md) adjective (deaf, deafer, deafest); noun (the deaf — people who are deaf) Deaf means not able to hear, or not able to hear well. 96. [**deafen**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deafen.md) verb (deafen, deafens, deafened, deafening) To make so much noise that people cannot hear anything else, or can hardly hear for a while: «The music deafened us». 97. [**deafening**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deafening.md) adjective (deafening, more deafening) A deafening noise is extremely loud, so loud you can hardly hear anything else. 98. [**deafness**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deafness.md) noun (deafness — uncountable) Deafness is being unable to hear, or being able to hear only a little. 99. [**deal**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deal.md) verb (deal, deals, dealt, dealing); noun (a deal, deals) A deal is an agreement between people, often in buying, selling or swapping. 100. [**dealer**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dealer.md) noun (a dealer, dealers) A dealer is a person or business that buys and sells a particular kind of thing, such as cars, art or antiques. **1**[2](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/2/)[3](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/3/)[4](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/4/)[5](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/5/)[6](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/6/)[7](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/7/)[8](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/8/)[9](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/9/)[10](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/10/)[11](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/11/)[12](https://md.mova.elamur.ai/free/en/dictionaries/school/D/page/12/)