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# S

[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/)

2153 words

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1. [**simplex**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simplex.md) adjective (simplex); noun (a simplex, simplexes or simplices) 1) (technical) Simple, made of one part; not compound. 2) (communication) A simplex link sends messages in only one direction, like a…
2. [**simplicity**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simplicity.md) noun (simplicity — usually uncountable) 1) Being simple and easy to understand or do. 2) Being plain, without decoration or extras. 3) An honest, plain way of living or thinking.…
3. [**simplification**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simplification.md) noun (a simplification, simplifications; also uncountable) The act of making something simpler or easier to understand or do.
4. [**simplify**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simplify.md) verb (simplify, simplifies, simplified, simplifying) To simplify something is to make it simpler or easier to understand or do.
5. [**simply**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simply.md) adverb (simply) Simply means in an easy or plain way: explain it simply.
6. [**simulated**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simulated.md) adjective (simulated); past form of the verb simulate (simulate, simulates, simulated, simulating) Made to look or feel real, but not real; imitation: simulated leather, a simulated fire drill.
7. [**simulation**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simulation.md) noun (a simulation, simulations; simulation, uncountable) A simulation is a copy of a real situation, made on a computer or with models, so that people can study it or practise safely.
8. [**simulator**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simulator.md) noun (a simulator, simulators) A machine or computer program that copies real conditions so people can practise or test something safely, for example a flight simulator.
9. [**simultaneous**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simultaneous.md) adjective (simultaneous) Happening or done at exactly the same time: simultaneous explosions.
10. [**simultaneously**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/simultaneously.md) adverb (from the adjective «simultaneous») 1) At exactly the same time. 2) (maths) «Solve simultaneously»: find values that make two or more equations true together.
11. [**sin**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sin.md) noun (a sin, sins; sin — uncountable); verb (sin, sins, sinned, sinning); also an abbreviation sin (maths: sine) In religion, an act that breaks God's law or a religious rule.
12. [**sincere**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sincere.md) adjective (sincere, sincerer, sincerest) Honest and true; meaning what you say or feel.
13. [**sincerely**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sincerely.md) adverb (sincerely) Sincerely means honestly and truly, meaning what you say, as in «I sincerely hope you feel better».
14. [**sincerity**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sincerity.md) noun (sincerity — uncountable) 1) Being honest and meaning what you say or feel; not pretending. 2) Real and true feeling shown in words or actions.
15. [**sinew**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sinew.md) noun (a sinew, sinews) A tendon: a tough cord in the body that joins a muscle to a bone.
16. [**sinful**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sinful.md) adjective (sinful) Wrong according to God's law or religious teaching; full of sin.
17. [**sing**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sing.md) verb (sing, sings, sang, singing, sung) To sing means to make music with your voice, using words or tunes.
18. [**singer**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/singer.md) noun (a singer, singers) A singer is a person who sings, especially as a job or very well.
19. [**singing**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/singing.md) noun (singing, uncountable); verb form of sing (sing, sings, sang, sung, singing); adjective (singing) Singing is making musical sounds with your voice, with words or a tune.
20. [**single**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/single.md) adjective, noun (single, singles) 1) Single means only one, not two or more. 2) «Not a single» means none at all. 3) A single room or bed is for one person. 4) Single means…
21. [**singly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/singly.md) adverb (singly) 1) Singly means one at a time, or one by one, not in a group. 2) Singly means alone, on its own.
22. [**singular**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/singular.md) adjective (singular); noun (the singular) In grammar, singular means one: «cat» is singular and «cats» is plural.
23. [**singularly**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/singularly.md) adverb Singularly means very, unusually or especially, often in a surprising way.
24. [**sink**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sink.md) verb (sink, sinks, sank, sunk, sinking); noun (a sink, sinks) To go down below the top of water or another liquid: «The stone sank».
25. [**sinner**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sinner.md) noun (a sinner, sinners) A sinner is a person who has done something wrong according to a religion's rules.
26. [**sinuous**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sinuous.md) adjective (sinuous, more sinuous, most sinuous) 1) Curving and winding, with many bends, like a snake or a river. 2) Moving in a smooth, twisting, graceful way.
27. [**sion**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sion.md) fragment; proper noun (Sion — a town; an old spelling of Zion) «-sion» is a word ending that makes nouns, as in «television», «decision», «explosion»; it often sounds like «zhun» or «shun».
28. [**sip**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sip.md) verb (sip, sips, sipped, sipping); noun (a sip, sips) 1) To drink slowly, taking only a small amount at a time. 2) A very small mouthful of a drink.
29. [**siphon**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/siphon.md) noun (a siphon, siphons; also syphon); verb (siphon, siphons, siphoned, siphoning) A siphon is a bent tube that moves liquid from a higher container to a lower one, over an edge, without a pump, once the tube is full.
30. [**siphonophore**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/siphonophore.md) noun (a siphonophore, siphonophores) 1) A siphonophore is a strange sea animal, related to jellyfish, that is really a colony of many tiny animal parts joined together and…
31. [**sir**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sir.md) noun (sir, sirs); also a title (Sir) A polite way to speak to a man whose name you do not know, or to a man in charge: "Can I help you, sir?".
32. [**sire**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sire.md) noun (a sire, sires; Sire — a title); verb (sire, sires, sired, siring) Sire was a way of speaking to a king, like «Your Majesty»: «Yes, sire.».
33. [**siren**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/siren.md) noun (a siren, sirens) 1) A device that makes a loud wailing or rising-and-falling sound to warn people, used on ambulances, fire engines and police cars, and…
34. [**sis**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sis.md) noun (informal) Short for "sister", used when talking to or about your sister.
35. [**sister**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sister.md) noun (sister, sisters) A sister is a girl or woman who has the same parents as you.
36. [**sit**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sit.md) verb (sit, sits, sat, sitting) To sit is to rest your body on a seat or on the ground, with your weight on your bottom.
37. [**sitar**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sitar.md) noun (a sitar, sitars) A sitar is a musical instrument from India with a long wooden neck, a round body made from a gourd, and many strings, played by plucking.
38. [**sitcom**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sitcom.md) noun (a sitcom, sitcoms) A sitcom is a funny TV or radio series about the same characters in everyday situations, like a family or friends at work.
39. [**site**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/site.md) noun (a site, sites); verb (site, sites, sited, siting — formal) A site is a place where something is, was, or will be, like a building site or a picnic site.
40. [**sitter**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sitter.md) noun (a sitter, sitters) A sitter is a babysitter: someone who looks after children while their parents are out.
41. [**sitting**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sitting.md) verb form (-ing form of sit: sit, sits, sat, sitting); noun (a sitting, sittings); adjective (sitting room) Sitting means resting your bottom on a chair, the floor or another seat, with your back up.
42. [**situated**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/situated.md) adjective (situated) Situated means placed or found in a certain place: The school is situated near the river.
43. [**situation**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/situation.md) noun (a situation, situations) A situation is everything that is happening at a certain time and place, and how things are.
44. [**six**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/six.md) number (six, sixes); noun (a six) 1) Six is the number 6, one more than five. 2) A six is the digit 6, or a hit worth six runs in cricket. 3) «At sixes and sevens» means in…
45. [**sixpence**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sixpence.md) noun (a sixpence, sixpences) A sixpence was a small British coin worth six old pennies, used until Britain changed to decimal money and kept for a while after.
46. [**sixteen**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sixteen.md) number (sixteen) 1) Sixteen is the number 16, one more than fifteen. 2) Sixteen is ten and six, or four fours. A pound has 16 ounces.
47. [**sixteenth**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sixteenth.md) adjective, noun (sixteenth, sixteenths) 1) Sixteenth means number 16 in order. 2) A sixteenth is one of sixteen equal parts of a whole, written 1/16. 3) The sixteenth century is…
48. [**sixth**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sixth.md) adjective, noun (sixth, sixths) Sixth means number 6 in order, after the fifth.
49. [**sixty**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sixty.md) number (sixty) 1) Sixty is the number 60, which is six tens. 2) An hour has 60 minutes and a minute has 60 seconds.
50. [**size**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/size.md) noun (size, sizes); verb (size — to sort by size; size up — to judge) Size is how big or how small something is: the size of an elephant.
51. [**sizzle**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sizzle.md) verb (sizzle, sizzles, sizzled, sizzling); noun (a sizzle) To make a hissing, spitting sound like food frying in hot fat: The sausages sizzled in the pan.
52. [**skate**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skate.md) verb (skate, skates, skated, skating); noun (a skate, skates) To skate means to glide on ice with ice skates or on the ground with roller skates or a skateboard.
53. [**skateboard**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skateboard.md) noun (a skateboard, skateboards); verb (skateboard, skateboards, skateboarded, skateboarding) A skateboard is a narrow board with four small wheels, which you stand on and ride by pushing with one foot.
54. [**skateboarder**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skateboarder.md) noun (a skateboarder, skateboarders) 1) A person who rides a skateboard, a short board on four small wheels, often doing tricks.
55. [**skater**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skater.md) noun (a skater, skaters) A skater is a person who moves on skates: ice skates, roller skates or inline skates.
56. [**skedaddle**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skedaddle.md) verb (skedaddle, skedaddles, skedaddled, skedaddling) To skedaddle is to run away quickly, often because you are frightened or caught.
57. [**skeletal**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skeletal.md) adjective (skeletal) Skeletal means to do with the skeleton, the frame of bones inside a body: the skeletal system.
58. [**skeleton**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skeleton.md) noun (a skeleton, skeletons); adjective (skeleton — the smallest number needed: skeleton staff) The frame of bones that supports and protects the body of a human or an animal.
59. [**sketch**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sketch.md) noun (a sketch, sketches); verb (sketch, sketches, sketched, sketching) A quick drawing that shows the main shapes without much detail.
60. [**sketchbook**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sketchbook.md) noun (a sketchbook, sketchbooks) 1) A book of plain, often thick, paper for drawing sketches and quick pictures. 2) A collection of a person's sketches or quick notes.
61. [**sketchy**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sketchy.md) adjective (sketchy, sketchier, sketchiest) Not complete or detailed; giving only the main points.
62. [**ski**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/ski.md) noun (a ski, skis); verb (ski, skis, skied, skiing) 1) A ski is one of a pair of long narrow flat boards fixed to boots for sliding over snow. 2) To ski means to move over snow on skis.
63. [**skid**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skid.md) verb (skid, skids, skidded, skidding); noun (a skid, skids) To skid is to slide sideways or forwards out of control, especially on ice, water or a smooth surface.
64. [**skier**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skier.md) noun (a skier, skiers) 1) A skier is a person who moves over snow on skis, for sport or for fun.
65. [**skilful**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skilful.md) adjective (skilful, more skilful, most skilful; US spelling skillful); adverb skilfully 1) Skilful means very good at doing something because of practice and ability. 2) Something done in a skilful way is done with great skill.
66. [**skilfully**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skilfully.md) adverb (skilfully — UK, Australia, NZ, Ireland; skillfully — USA) 1) In a way that shows skill and good ability; cleverly and well.
67. [**skill**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skill.md) noun (a skill, skills; skill — uncountable) 1) A skill is something you can do well because you have learned and practised it. 2) Skill is the ability to do something well.
68. [**skillful**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skillful.md) adjective (skillful, more skillful, most skillful; also spelt skilful in British English) Skillful means very good at doing something with the hands or the mind, because you have practised or have a gift for it.
69. [**skillfully**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skillfully.md) adverb (skillfully) In a way that shows skill; doing a task well, with care and talent.
70. [**skim**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skim.md) verb (skim, skims, skimmed, skimming) To skim a text is to read it quickly to get the main idea, without reading every word.
71. [**skimmed**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skimmed.md) verb, past form of skim (skim, skims, skimmed, skimming); adjective (skimmed milk) Skimmed is the past of skim: read quickly, moved just over the top of something, or took the top layer off.
72. [**skimmer**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skimmer.md) noun (a skimmer, skimmers) A flat spoon or ladle with holes, used to lift things off the top of a liquid, like foam from soup.
73. [**skimming**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skimming.md) verb form (skim, skims, skimmed, skimming); noun (skimming) Skimming means reading something quickly to get the main idea, without reading every word.
74. [**skin**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skin.md) noun (skin, skins); verb (skin, skins, skinned, skinning) The outer covering of a person's or animal's body.
75. [**skinflint**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skinflint.md) noun (skinflint, skinflints) A person who hates spending money and is mean with it; a miser.
76. [**skinful**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skinful.md) noun (a skinful) 1) (UK, Australia, informal, slang) A large amount of alcohol, enough to make someone drunk: «He'd had a skinful.»
77. [**skinned**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skinned.md) verb form (skin, skins, skinned, skinning); adjective (-skinned in compounds) Skinned is the past of «to skin»: to take the skin off an animal or fruit.
78. [**skinny**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skinny.md) adjective (skinny, skinnier, skinniest); noun (the skinny — US slang) 1) Skinny means very thin, sometimes too thin. 2) Skinny clothes fit closely, like skinny jeans. 3) (food) Skinny means made with low-fat…
79. [**skint**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skint.md) adjective (skint — informal, UK, Ireland, Australia, New Zealand) 1) (slang, UK) Having no money at all; broke. 2) In old country speech, skint can mean climbed or scrambled quickly up something.
80. [**skip**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skip.md) verb, noun (skip, skips, skipped, skipping) To skip is to move along with little hops and jumps.
81. [**skipjack**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skipjack.md) noun (skipjack, skipjacks) 1) A small fish that leaps out of the water, a kind of tuna. 2) In the tale, the name of a fish who is thought unable to jump.
82. [**skipper**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skipper.md) noun (a skipper, skippers); verb (skipper, skippers, skippered, skippering) The captain of a ship or boat, especially a small one.
83. [**skirl**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skirl.md) noun or verb (skirl, skirls, skirled, skirling); old or rare word A loud, shrill cry or high sound, such as the sound of bagpipes; to make such a cry.
84. [**skirt**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skirt.md) noun (a skirt, skirts); verb (skirt, skirts, skirted, skirting) A skirt is a piece of clothing worn by women and girls that hangs from the waist and has no separate legs.
85. [**skittish**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skittish.md) adjective (skittish, more skittish, most skittish) 1) Easily frightened, nervous and jumpy, ready to run off at any noise. 2) Of a horse, lively and likely to shy or bolt.
86. [**skittle**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skittle.md) noun (a skittle, skittles); skittles (the game) A wooden or plastic bottle-shaped piece that players try to knock down with a ball.
87. [**skittles**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skittles.md) noun (skittles — uncountable game; a skittle, skittles — pins); proper noun (Skittles — a name) A game in which you roll a ball to knock down wooden pins; like bowling.
88. [**skua**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skua.md) noun (a skua, skuas) 1) A large brown seabird of cold northern and southern seas that often chases other seabirds to make them drop or bring up their food, and…
89. [**skull**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skull.md) noun (a skull, skulls) The skull is the hard bony frame of the head that protects the brain.
90. [**skunk**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skunk.md) noun (a skunk, skunks) A small black-and-white animal of North America with a bushy tail, which sprays a very bad-smelling liquid when it is frightened.
91. [**sky**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/sky.md) noun (the sky, skies) 1) The space above the Earth where you see clouds, the Sun, the Moon and the stars. 2) The weather or look of it: blue skies, grey skies.
92. [**skydiver**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skydiver.md) noun (a skydiver, skydivers) 1) A skydiver is a person who jumps out of an aeroplane high up, falls through the air, and then opens a parachute to land safely.
93. [**skylight**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skylight.md) noun (a skylight, skylights) 1) A skylight is a window in a roof or ceiling that lets daylight in from above.
94. [**skyscraper**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skyscraper.md) noun (a skyscraper, skyscrapers) 1) A skyscraper is a very tall building with many floors, in a city.
95. [**skyward**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/skyward.md) adverb or adjective (skyward, skywards) Upward, towards the sky.
96. [**slab**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/slab.md) noun (a slab, slabs) A slab is a thick, flat piece of something hard, like stone, concrete or wood.
97. [**slack**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/slack.md) adjective (slack, slacker, slackest); noun (slack — uncountable); verb (slack, slacks, slacked, slacking; slack off); plural noun slacks (trousers) Slack means loose, not pulled tight: a slack rope.
98. [**slacken**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/slacken.md) verb (slacken, slackens, slackened, slackening) To make something less tight, or to become less tight: slacken a rope.
99. [**slacking**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/slacking.md) verb form — -ing form of slack (slack, slacks, slacked, slacking); noun (slacking) Slacking means being lazy and not doing work you should be doing.
100. [**slag**](https://md.mova.elamur.ai/free/en/dictionaries/school/w/slag.md) noun (slag — uncountable; a slag, slags — rude); verb (slag off — UK slang) Rocky waste left over when metal is taken from ore.

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