[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/dictionaries/school/D/page/2/)

[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](https://md.mova.elamur.ai/free/en/dictionaries/school/D/)**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. [**dealings**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dealings.md) noun, plural (dealings); the singular «dealing» is used mostly as the -ing form of «deal» The business or contact that people or groups have with each other: «my dealings with the bank».
2. [**dean**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dean.md) noun (dean, deans); proper noun (Dean — a name) A dean is a person who is in charge of a part of a college or university, or of students.
3. [**dear**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dear.md) adjective (dear, dearer, dearest); noun (dear, dears); interjection (oh dear) Dear means loved or very much liked: «my dear friend».
4. [**dearly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dearly.md) adverb (dearly) Very much: I love you dearly; she would dearly like a puppy.
5. [**dearth**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dearth.md) noun (plural dearths) A dearth is a shortage, a time when there is not enough of something, such as food.
6. [**death**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/death.md) noun (death, deaths) The end of life; when a person, animal or plant dies and stops living for ever.
7. [**deathless**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deathless.md) adjective Deathless means that something never dies or never ends; it lasts for ever.
8. [**deathly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deathly.md) adjective (deathlier, deathliest); adverb (deathly pale) 1) Deathly means like death, cold and still. 2) «Deathly pale» means very white and ill-looking, as if dying.
9. [**debate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debate.md) noun (a debate, debates; debate, uncountable); verb (debate, debates, debated, debating) A debate is a formal discussion where people give arguments for and against an idea, often with rules and a vote at the end.
10. [**debater**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debater.md) noun (a debater, debaters) A person who takes part in a debate: a formal argument where speakers give reasons for and against an idea.
11. [**debility**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debility.md) noun Debility is great weakness of the body, when someone is ill and has no strength.
12. [**debit**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debit.md) noun (a debit, debits); verb (debit, debits, debited, debiting) 1) (money) A debit is money taken out of a bank account. 2) (money) A debit card is a plastic card you use to pay, which takes the money…
13. [**debris**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debris.md) noun (debris — uncountable) Broken pieces left after something has been destroyed or has fallen: bits of wood, stone, glass.
14. [**debt**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debt.md) noun (a debt, debts; debt, uncountable) 1) A debt is money that you owe to someone. 2) Debt is the state of owing money (be in debt). 3) A debt of gratitude is a feeling that you…
15. [**debtor**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debtor.md) noun (plural debtors) A debtor is a person who owes money to someone else.
16. [**debug**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debug.md) verb (debug, debugs, debugged, debugging) To find and fix the mistakes (bugs) in a computer program.
17. [**debut**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/debut.md) noun (a debut, debuts); verb (debut, debuts, debuted, debuting) The first time someone performs or appears in public, such as a singer's first concert or a player's first game.
18. [**dec**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dec.md) abbreviation (dec, Dec, dec.) Short for December, the twelfth and last month of the year (Dec).
19. [**decade**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decade.md) noun (a decade, decades) 1) A decade is a period of ten years. 2) A decade is also a group of ten, like ten beads on a rosary.
20. [**decapod**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decapod.md) noun (a decapod, decapods) 1) (science) A decapod is a crustacean with ten legs, such as a crab, lobster, shrimp, prawn or crayfish.
21. [**decay**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decay.md) verb (decay, decays, decayed, decaying); noun (decay — uncountable) To rot or break down slowly, as dead plants, animals and food do.
22. [**deceased**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceased.md) adjective (deceased); noun (the deceased) 1) (formal) Dead: her deceased grandfather. 2) (the deceased, noun) The person (or people) who has died, especially recently: the family…
23. [**deceit**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceit.md) noun (deceit, uncountable; a deceit) 1) Deceit is making someone believe something that is not true, to trick them. 2) A deceit is a trick or lie.
24. [**deceitful**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceitful.md) adjective (deceitful, more deceitful, most deceitful) A deceitful person often lies or tricks people to make them believe things that are not true.
25. [**deceive**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceive.md) verb (deceive, deceives, deceived, deceiving) To deceive someone means to make them believe something that is not true, in order to trick them.
26. [**deceiver**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceiver.md) noun (a deceiver, deceivers) 1) A deceiver is a person who deceives, that is, tricks people into believing something false.
27. [**decelerate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decelerate.md) verb (decelerate, decelerates, decelerated, decelerating); noun (deceleration) 1) To slow down; to go less fast.
28. [**deceleration**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceleration.md) noun (deceleration, a deceleration) 1) (science) Deceleration is slowing down; the rate at which something's speed gets smaller.
29. [**december**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/december.md) noun (December) December is the twelfth and last month of the year.
30. [**decent**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decent.md) adjective (decent, more decent, most decent); adverb decently Decent means good enough, of an acceptable or fairly good quality.
31. [**decently**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decently.md) adverb Decently means in a polite, fair and respectable way that people think is right.
32. [**deception**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deception.md) noun (deception, uncountable; a deception, deceptions) 1) Making someone believe something that is not true; tricking or lying. 2) A trick or lie that fools someone.
33. [**deceptive**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceptive.md) adjective (deceptive; more deceptive, most deceptive) Giving a false idea or impression, so that something seems different from what it really is.
34. [**deceptively**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deceptively.md) adverb (deceptively) 1) Deceptively means in a way that makes something seem different from what it really is: "the question looks deceptively easy" means it…
35. [**decibel**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decibel.md) noun (a decibel, decibels — written dB) 1) (science) A decibel is a unit for measuring how loud a sound is.
36. [**decide**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decide.md) verb (decide, decides, decided, deciding) To decide is to make up your mind, to choose after thinking: I decided to stay.
37. [**decidedly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decidedly.md) adverb (decidedly) Clearly and without any doubt; very much: it was decidedly colder.
38. [**deciduous**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deciduous.md) adjective (deciduous) Deciduous trees and bushes lose all their leaves every autumn (fall) and grow new ones in spring.
39. [**decimal**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decimal.md) adjective (decimal); noun (a decimal, decimals) A decimal (or decimal number) is a number written with a decimal point, such as 3.5 or 0.25, to show parts smaller than one.
40. [**decimeter**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decimeter.md) noun (decimeter, decimeters; British decimetre) 1) A decimeter is a unit of length. A decimeter is 10 centimeters, and a meter is 10 decimeters. 2) It is about the width of a grown-up's…
41. [**decimetre**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decimetre.md) noun (a decimetre, decimetres); decimeter (US) 1) A decimetre is a unit of length equal to 10 centimetres, or one tenth of a metre. It is written dm.
42. [**deciphered**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deciphered.md) verb, past form of decipher (decipher, deciphers, deciphered, deciphering); adjective (a deciphered message) Worked out the meaning of a secret code and turned it into plain words.
43. [**decipherment**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decipherment.md) noun (decipherment — usually uncountable) 1) Decipherment is working out the meaning of a code, secret message or old writing that is hard to read.
44. [**decision**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decision.md) noun (decision, decisions) A decision is a choice you make after thinking about what to do: a hard decision.
45. [**decisive**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decisive.md) adjective (decisive, more decisive, most decisive); adverb (decisively) Decisive describes a person who can make decisions quickly and firmly.
46. [**deck**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deck.md) noun (deck, decks); verb (deck, decks, decked — to decorate) 1) A deck is a set of playing cards. A usual deck has 52 cards. 2) A deck is a floor of a ship or bus, like the top deck. 3) A deck is a…
47. [**declaration**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/declaration.md) noun (a declaration, declarations) A declaration is an official or important statement that says something clearly to everyone.
48. [**declare**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/declare.md) verb (declare, declares, declared, declaring) To declare is to say something clearly, firmly or officially, so everyone knows.
49. [**declared**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/declared.md) verb, past of declare (declare, declares, declared, declaring); adjective (declared) Declared is the past form of «declare»: said clearly, firmly or officially.
50. [**decline**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decline.md) verb (decline, declines, declined, declining); noun (a decline, declines) To decline is to say no politely to an offer or invitation.
51. [**declivity**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/declivity.md) noun (plural declivities) A declivity is a slope going down, a downward slant of the ground, such as a hill or a bank.
52. [**decode**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decode.md) verb (decode, decodes, decoded, decoding) To decode a secret message or code is to change it back into normal words so you can understand it.
53. [**decoding**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decoding.md) verb (-ing form of «decode»: decode, decodes, decoded, decoding); noun (decoding, uncountable) Decoding means turning a secret code or message back into normal words so it can be read.
54. [**decompose**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decompose.md) verb (decompose, decomposes, decomposed, decomposing) To rot or break down slowly, as dead plants and animals do, with help from bacteria, fungi and small creatures.
55. [**decomposition**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decomposition.md) noun (decomposition, uncountable) The natural breaking down of dead plants and animals into simpler things, by bacteria, fungi and worms; rotting.
56. [**decorate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decorate.md) verb (decorate, decorates, decorated, decorating) To make something look nicer by adding pretty things: decorate the cake with icing.
57. [**decoration**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decoration.md) noun (a decoration, decorations; decoration — uncountable for the act) Something added to make a thing or place look pretty or special, like balloons, tinsel or ornaments.
58. [**decorative**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decorative.md) adjective (decorative, more decorative, most decorative) Decorative means used to make something look pretty or attractive, rather than to be useful.
59. [**decorator**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decorator.md) noun (decorator, decorators) A person whose job is painting and wallpapering rooms and houses.
60. [**decoy**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decoy.md) noun (a decoy, decoys); verb (decoy, decoys, decoyed, decoying) A decoy is a person or thing used to trick someone and lead them away or into a trap.
61. [**decrease**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decrease.md) verb (decrease, decreases, decreased, decreasing); noun (a decrease, decreases) To decrease is to become smaller or fewer in size, number or amount.
62. [**decree**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decree.md) noun (a decree, decrees); verb (decree, decrees, decreed, decreeing) A decree is an official order given by a ruler, a government or a court.
63. [**decreed**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decreed.md) verb form (decree, decrees, decreed, decreeing); noun decree 1) If a ruler or government decreed something, they gave an official order. 2) (Bible, old) Something decreed is fixed and must happen.
64. [**decrepit**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/decrepit.md) adjective (decrepit, more decrepit, most decrepit) Decrepit means old, weak and worn out, often from age or hard use.
65. [**dedicate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dedicate.md) verb (dedicate, dedicates, dedicated, dedicating) To dedicate something is to give it to a person or purpose, often out of love or respect.
66. [**dedicated**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dedicated.md) adjective (dedicated, more dedicated); verb form (dedicate, dedicates, dedicated, dedicating) A dedicated person works very hard at something because they care about it a lot.
67. [**dedication**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/dedication.md) noun (dedication, dedications) Hard work and loyalty to a task or a purpose over a long time: «Her dedication to swimming won her the medal».
68. [**deduct**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deduct.md) verb (deduct, deducts, deducted, deducting); noun deduction 1) To take away an amount from a total, such as money or points.
69. [**deduction**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deduction.md) noun (a deduction, deductions; deduction, uncountable) An amount taken away from a total (a deduction from your pay).
70. [**deed**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deed.md) noun (a deed, deeds); verb (deed, rare US: to transfer property) Something that someone does on purpose, especially something very good or very bad: «a good deed», «evil deeds».
71. [**deem**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deem.md) verb (deem, deems, deemed, deeming) — formal To consider or judge something in a particular way (The water was deemed safe).
72. [**deep**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deep.md) adjective (deep, deeper, deepest); adverb (deep) 1) Deep means going far down from the top. A deep pool has a lot of water. 2) Deep also tells how far down: 2 meters deep. 3) A deep sound…
73. [**deepening**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deepening.md) verb form (deepen, deepens, deepened, deepening); noun (a deepening — rare); adjective Deepening means becoming or making something deeper, so it goes further down.
74. [**deeply**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deeply.md) adverb (deeply, more deeply, most deeply) 1) Very much; strongly, as in feelings. 2) Far down or far in. 3) Fully and slowly, as in breathing or sleeping. 4) Thinking hard and…
75. [**deer**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deer.md) noun (a deer, deer — plural is the same) A deer is a wild animal with long thin legs and brown fur that eats plants and runs fast.
76. [**deerskin**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deerskin.md) noun (deerskin, uncountable; a deerskin, deerskins) 1) The skin of a deer, especially when made into soft leather for clothes, shoes or bags.
77. [**defamation**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defamation.md) noun (uncountable; a defamation case) Defamation is saying or writing something untrue about a person that damages their good name.
78. [**default**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/default.md) noun (default, defaults); verb (default, defaults, defaulted, defaulting); adjective (default) The setting or choice that a computer, phone or game uses unless you change it: «the default font».
79. [**defeasible**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defeasible.md) adjective (defeasible; not compared) Defeasible means able to be cancelled or overturned, for example a right, a contract or a conclusion that may be undone by new facts.
80. [**defeat**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defeat.md) verb (defeat, defeats, defeated, defeating); noun (a defeat, defeats; defeat, uncountable) To defeat means to win against someone in a game, fight, war or vote: "we defeated the visiting team".
81. [**defecate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defecate.md) verb (defecate, defecates, defecated, defecating) 1) (formal, medical) To pass solid waste (poo) out of the body through the bottom.
82. [**defect**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defect.md) noun (a defect, defects); verb (defect, defects, defected, defecting) noun: A defect is a fault or flaw that makes something not work properly or not look right.
83. [**defective**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defective.md) adjective (defective; more defective, most defective) Not working properly because something is wrong with it; having a fault.
84. [**defence**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defence.md) noun (defence, defences); American spelling «defense» Defence is protecting yourself or something against attack or danger.
85. [**defenceless**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defenceless.md) adjective (defenceless, more defenceless, most defenceless) 1) Defenceless means having no protection, and unable to fight back or guard yourself.
86. [**defend**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defend.md) verb (defend, defends, defended, defending) To defend someone or something is to protect it from attack or harm.
87. [**defendant**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defendant.md) noun (defendant, defendants) 1) A defendant is a person accused of a crime in a court of law, who must answer the charge.
88. [**defender**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defender.md) noun (a defender, defenders) A person who protects someone or something from attack or harm.
89. [**defensive**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defensive.md) adjective (defensive, more defensive); noun (on the defensive) Defensive means used or made to protect against attack (a defensive wall).
90. [**defer**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defer.md) verb (defer, defers, deferred, deferring) To put off something until later; to delay: the meeting was deferred until next week.
91. [**deference**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deference.md) noun (uncountable: deference) Polite respect shown to someone by accepting their opinion or wishes, often because they are older, wiser or more important.
92. [**deferential**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deferential.md) adjective (deferential; more deferential) 1) Showing great respect and politeness to someone, often by agreeing with them or letting them decide: «a deferential bow».
93. [**deferral**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deferral.md) noun (deferral, deferrals) — formal The act of putting something off until a later time; a delay that is allowed: «the deferral of the exam».
94. [**defiance**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defiance.md) noun (defiance) 1) Defiance is bold refusal to obey, or open resistance to someone in power. 2) A look of defiance shows you will not give in.
95. [**defiant**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defiant.md) adjective (defiant, more defiant, most defiant) Defiant means openly refusing to obey or to do what you are told: "a defiant child folded his arms".
96. [**defiantly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defiantly.md) adverb 1) Defiantly means in a way that shows you refuse to obey or are openly standing up against someone or something.
97. [**defibrillator**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/defibrillator.md) noun (a defibrillator, defibrillators; informal: a defib) 1) A machine that gives an electric shock to the chest to make a heart that has stopped beating properly start a normal rhythm again.
98. [**deficiency**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deficiency.md) noun (a deficiency, deficiencies) 1) A deficiency is a lack of something that is needed, not having enough of it. 2) A deficiency is a weakness or fault in something.
99. [**deficient**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deficient.md) adjective (deficient; more deficient) Not having enough of something that is needed, especially in the body or diet: «deficient in iron».
100. [**deficit**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/deficit.md) noun (a deficit, deficits) An amount by which something is too small: how much is missing compared with what is needed.

[1](https://md.mova.elamur.ai/free/en/dictionaries/school/D/)**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/)