Synonyms of slack in English:

slack

adjective

  • 1 she heard a splash and the rope went slack
    loose, limp, not taut, not tight, hanging, flapping;
    relaxed, flexible, pliant
    [Antonyms] tight, taut, stretched
  • 2 try these tips to tone and tighten slack, unattractive skin
    flaccid, flabby, loose, sagging, saggy, drooping, droopy, soft
    [Antonyms] taut, toned, firm
  • 3 she was wearing a slack blue dress
    baggy, loose-fitting, loose, not tight, generously cut, roomy;
    [Antonyms] tight, tailored
  • 4 business had never been so slack
    sluggish, slow, quiet, slow-moving, not busy, inactive, flat, depressed, stagnant
    [Antonyms] busy, thriving
  • 5 some slack defensive play by Villa
    lax, negligent, neglectful, remiss, careless, slapdash, slipshod, lackadaisical, lazy, inefficient, incompetent, inattentive, offhand, casual, disorderly, disorganized;
    North American derelict
    British vulgar slang half-arsed
    formal delinquent
    [Antonyms] meticulous, diligent
  • noun

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  • 1 the rope had just enough slack in it to allow her to reach him
    looseness, play, give
  • 2 as domestic demand starts to flag, foreign demand will help pick up the slack
    surplus, excess, residue, spare capacity
  • 3 he slept deeply, refreshed by a little slack in the daily routine
    informal let-up, breather
  • verb

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  • 1 the horse slacked his pace
    reduce, lessen, slacken, slow, ease up/off
    [Antonyms] increase
  • 2British informal okay, carry on with this painting and no slacking
    idle, shirk, be inactive, be lazy, be indolent, sit back and do nothing, waste time, lounge about
    British informal skive, bunk off
    North American informal goof off
    [Antonyms] work hard
  • Phrases

    slack off

  • 1 the rain had slacked off to a soft drizzle
    [Antonyms] intensify
  • 2 I told him to slack off a bit
    relax, take things easy, let up, ease up/off, do less, loosen up, slow down, be less active
    North American informal hang loose, stay loose, chill out
    [Antonyms] work harder
  • slack up

    the horse didn't slack up until he reached the trees
    [Antonyms] speed up, accelerate
    slow down, slow, decelerate, reduce speed, drop speed, put the brakes on

    Definition of slack in:

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