What does slack mean?

Definitions for slack

Here are all the possible meanings and translations of the word slack.

Princeton's WordNet

  1. slack(noun)

    dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve

  2. slump, slack, drop-off, falloff, falling off(noun)

    a noticeable deterioration in performance or quality

    "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"

  3. slack, slack water(noun)

    a stretch of water without current or movement

    "suddenly they were in a slack and the water was motionless"

  4. mire, quagmire, quag, morass, slack(noun)

    a soft wet area of low-lying land that sinks underfoot

  5. slack, slackness(noun)

    the quality of being loose (not taut)

    "he hadn't counted on the slackness of the rope"

  6. slack(adj)

    a cord or rope or cable that is hanging loosely

    "he took up the slack"

  7. loose, slack(adj)

    not tense or taut

    "the old man's skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope"

  8. slack(adj)

    flowing with little speed as e.g. at the turning of the tide

    "slack water"

  9. lax, slack(verb)

    lacking in rigor or strictness

    "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline"

  10. slack(verb)

    avoid responsibilities and work, be idle

  11. slack(verb)

    be inattentive to, or neglect

    "He slacks his attention"

  12. slack(verb)

    release tension on

    "slack the rope"

  13. slack, slacken, slack up, relax(verb)

    make less active or fast

    "He slackened his pace as he got tired"; "Don't relax your efforts now"

  14. slow, slow down, slow up, slack, slacken(verb)

    become slow or slower

    "Production slowed"

  15. slake, abate, slack(verb)

    make less active or intense

  16. abate, let up, slack off, slack, die away(verb)

    become less in amount or intensity

    "The storm abated"; "The rain let up after a few hours"

  17. slack, slake(verb)

    cause to heat and crumble by treatment with water

    "slack lime"


  1. slack(Noun)

    Small coal; coal dust.

  2. slack(Noun)

    A valley, or small, shallow dell.

  3. slack(Noun)

    The part of anything that hangs loose, having no strain upon it.

    The slack of a rope or of a sail.

  4. slack(Noun)

    A tidal marsh or shallow, that periodically fills and drains.

  5. slack(Verb)

    To mitigate; to reduce the strength of.

  6. slack(Verb)

    to procrastinate; to be lazy

  7. slack(Verb)

    to refuse or dislike exerting effort

  8. slack(Adverb)


    slack dried hops

  9. slack(Adjective)

    Lax; not tense; not hard drawn; not firmly extended.

    a slack rope

  10. slack(Adjective)

    Weak; not holding fast.

    a slack hand

  11. slack(Adjective)

    Remiss; backward; not using due diligence or care; not earnest or eager.

    slack in duty or service

  12. slack(Adjective)

    Not violent, rapid, or pressing.

    Business is slack.

Webster Dictionary

  1. Slack(noun)

    small coal; also, coal dust; culm

    Etymology: [Icel. slakki a slope on a mountain edge.]

  2. Slack(noun)

    a valley, or small, shallow dell

    Etymology: [Icel. slakki a slope on a mountain edge.]

  3. Slack

    lax; not tense; not hard drawn; not firmly extended; as, a slack rope

    Etymology: [Icel. slakki a slope on a mountain edge.]

  4. Slack

    weak; not holding fast; as, a slack hand

    Etymology: [Icel. slakki a slope on a mountain edge.]

  5. Slack

    remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service

    Etymology: [Icel. slakki a slope on a mountain edge.]

  6. Slack

    not violent, rapid, or pressing; slow; moderate; easy; as, business is slack

    Etymology: [Icel. slakki a slope on a mountain edge.]

  7. Slack(adverb)

    slackly; as, slack dried hops

    Etymology: [Icel. slakki a slope on a mountain edge.]

  8. Slack(noun)

    the part of anything that hangs loose, having no strain upon it; as, the slack of a rope or of a sail

    Etymology: [Icel. slakki a slope on a mountain edge.]

  9. Slack(adj)

    alt. of Slacken

    Etymology: [Icel. slakki a slope on a mountain edge.]

  10. Slack(verb)

    alt. of Slacken

    Etymology: [Icel. slakki a slope on a mountain edge.]

Chambers 20th Century Dictionary

  1. Slack

    slak, adj. lax or loose: not firmly extended or drawn out: not holding fast, weak: not eager or diligent, inattentive: not violent or rapid, slow.—adv. in a slack manner: partially: insufficiently.—n. that part of a rope, belt, &c. which is slack or loose: a period of inactivity: a slack-water haul of a net.—vs.i. Slack, Slack′en, to become loose or less tight: to be remiss: to abate: to become slower: to fail or flag.—v.t. to make less tight: to loosen: to relax: to remit: to abate: to withhold: to use less liberally: to check: (B.) to delay.—v.t. Slack′-bake, to half-bake.—adj.Slack′-hand′ed, remiss.—n. Slack′-jaw (slang), impudent talk.—adv. Slack′ly.—n. Slack′ness.—adj.Slack′-salt′ed, insufficiently salted.—n. Slack′-wa′ter, ebb-tide: slow-moving water, as that above a dam.—adj. pertaining to slack-water.—Slack away, to ease off freely; Slack-in-stays, slow in going about, of a ship; Slack off, to ease off; Slack up, to ease off: to slow. [A.S. sleac; Sw. slak, Ice. slakr.]

  2. Slack

    slak, n. coal-dross. [Ger. schlacke.]

  3. Slack

    slak, n. (Scot.) a cleft between hills: a common: a boggy place. [Scand., Ice. slakki, a hill-slope.]

The New Hacker's Dictionary

  1. slack

    1. Space allocated to a disk file but not actually used to store useful information. The techspeak equivalent is ‘internal fragmentation’. Antonym: hole. 2. In the theology of the Church of the SubGenius, a mystical substance or quality that is the prerequisite of all human happiness.Since Unix files are stored compactly, except for the unavoidable wastage in the last block or fragment, it might be said that “Unix has no slack”. See ha ha only serious.

Dictionary of Nautical Terms

  1. slack

    The part of a rope or sail that hangs loose.--To slack, is to decrease in tension or velocity; as, "Slack the laniard of our main-stay;" or "The tide slackens."

Anagrams for slack »

  1. lacks

  2. calks

How to pronounce slack?

  1. Alex
    US English

How to say slack in sign language?


  1. Chaldean Numerology

    The numerical value of slack in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of slack in Pythagorean Numerology is: 1

Examples of slack in a Sentence

  1. Gene Munster from Loup Ventures:

    While this tweet (after market hours) and the quick correction seem innocuous, the SEC isn't likely to cut Musk any slack, musk's unwillingness to follow the rules is part of what you have to be willing to accept as an investor in Tesla.

  2. Craig Fehr:

    If you look at the stock market and industries like housing, you might feel like the economy is back on its feet. But there is still enough slack in the job market to prevent any short-term inflation, i don't think inflation will be a predominant risk.

  3. Ian Nakamoto:

    Fear of higher rates is the topic of the day. That's why people are backing off a little bit, i still think there's a lot of slack in the economy and (the Fed) should hold off here.

  4. Rolf Hut:

    If they hit it exactly at midnight, the beautiful thing is that we see that they would have been sucked out towards the Golden Gate Bridge, but the moment they were close to the Golden Gate would have been the moment the tide reverses. And that would give them a moment of slack tide, in which they could have reached marine headlands in the northern site of the Golden Gate Bridge.

  5. William Dudley:

    Given that the labor market still appears to have some excess slack and inflation is below the Federal Reserve's objective, monetary policy is appropriately still quite accommodative despite the advancing age of the expansion.

Images & Illustrations of slack

  1. slackslackslackslackslack

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Translations for slack

From our Multilingual Translation Dictionary

  • تثاقلArabic
  • ochabnoutCzech
  • trödeln, faulenzen, faul sein, schlaff, bummelnGerman
  • flojo, carbonilla, charco, haraganear, relajarse, carboncillo, flojear, aflojarseSpanish
  • löysästi, huolimaton, hiljainen, hiilipöly, notkelma, löysä, velttoilla, viivytellä, huolimattomasti, veltosti, hiilimurska, veltto, notko, kluuvi, vetelehtiä, löysäilläFinnish
  • gravierFrench
  • leibideach, ligeanIrish
  • सुस्तHindi
  • tatetate, pūngoheMāori
  • tam, week, slak, slecht gemaakt, slap, treuzelenDutch
  • slakkNorwegian
  • frouxoPortuguese
  • лодырничать, лениться, небрежный, слабина, слабый, расслабленный, бездельничать, сачковать, ненатянутыйRussian
  • mlohavo, odugovlačiti, opušteno, labavoSerbo-Croatian

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    a game in which players throw or flip a jackknife in various ways so that the knife sticks in the ground
    • A. collation
    • B. mumblety-peg
    • C. defilement
    • D. maculation

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