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View synonyms for slack

slack

1

[ slak ]

adjective

  1. not tight, taut, firm, or tense;

    a slack rope.

    Synonyms: relaxed

  2. slack proofreading.

    Synonyms: thoughtless, lazy, lax

  3. slow, sluggish, or indolent:

    He is slack in answering letters.

    Synonyms: listless, tardy, dilatory

  4. not active or busy; dull; not brisk:

    the slack season in an industry.

    Synonyms: quiet, idle

  5. moving very slowly, as the tide, wind, or water.
  6. Phonetics. weak; lax.
  7. Nautical. easy ( def 15a ).


adverb

  1. in a slack manner.

noun

  1. a slack condition or part.
  2. the part of a rope, sail, or the like, that hangs loose, without strain upon it.
  3. a decrease in activity, as in business or work:

    a sudden slack in output.

    Synonyms: relaxation

  4. a period of decreased activity.
  5. Geography. a cessation in a strong flow, as of a current at its turn.
  6. a depression between hills, in a hillside, or in the land surface.
  7. Prosody. (in sprung rhythm) the unaccented syllable or syllables.
  8. British Dialect. a morass; marshy ground; a hollow or dell with soft, wet ground at the bottom.

verb (used with object)

  1. to be remiss in respect to (some matter, duty, right, etc.); leave undone; shirk:

    He slacked the most important part.

    Synonyms: neglect

  2. to make or allow to become less active, vigorous, intense, etc.; relax (efforts, labor, speed, etc.); lessen; moderate (often followed by up ).

    Synonyms: slacken, reduce

  3. to make loose, or less tense or taut, as a rope; loosen (often followed by off or out ).
  4. to slake (lime).

verb (used without object)

  1. to be remiss; shirk one's duty or part.

    Synonyms: malinger

  2. to become less active, vigorous, rapid, etc. (often followed by up ):

    Business is slacking up.

  3. to become less tense or taut, as a rope; to ease off.
  4. to become slaked, as lime.

slack

2

[ slak ]

noun

  1. the fine screenings of coal.

slack

1

/ slæk /

adjective

  1. not tight, tense, or taut
  2. negligent or careless
  3. (esp of water, etc) moving slowly
  4. (of trade, etc) not busy
  5. phonetics another term for lax
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. in a slack manner
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a part of a rope, etc, that is slack

    take in the slack

  2. a period of decreased activity
    1. a patch of water without current
    2. a slackening of a current
  3. prosody (in sprung rhythm) the unstressed syllable or syllables
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to neglect (one's duty, etc)
  2. often foll by off to loosen; to make slack
  3. chem a less common word for slake
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

slack

2

/ slæk /

noun

  1. small pieces of coal with a high ash content
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˈslackness, noun
  • ˈslackly, adverb
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Other Words From

  • slacking·ly adverb
  • slackly adverb
  • slackness noun
  • un·slacked adjective
  • un·slacking adjective
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Word History and Origins

Origin of slack1

First recorded before 900; Middle English adjective slak(e), slakke, Old English slæc, sleac; cognate with Old Norse slakr, Old High German slach, Latin laxus lax

Origin of slack2

First recorded in 1200–50; of uncertain origin; compare Middle English sleck “mud, slush, stony soil,” Flemish slecke, Middle Dutch slacke, slecke, Dutch slak, Low German slak(ke), German Schlacke “dross (of metal)”
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Word History and Origins

Origin of slack1

Old English slæc, sleac; related to Old High German slah, Old Norse slākr bad, Latin laxus lax

Origin of slack2

C15: probably from Middle Low German slecke; related to Dutch slak, German Schlacke dross
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Idioms and Phrases

Idioms
  1. take up the slack,
    1. to pull in or make taut a loose section of a rope, line, wire, etc.:

      Take up the slack before releasing the kite.

    2. to provide or compensate for something that is missing or incomplete:

      New sources of oil will take up the slack resulting from the embargo.

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Example Sentences

“Where Eve once seemed wild and inspired to Joan,” writes Anolik, “she now seemed slack and slothful. Where Joan once seemed meticulous and masterly to Eve, she now seemed dogged and doctrinaire.”

Mack was limited to just a handful of snaps because of a groin injury, but his teammates picked up the pass-rushing slack with seven sacks.

And Europe will struggle to take up the slack.

From BBC

“He’s not too bad. He said it had been a few years since he played, so you’ve got to cut him some slack.”

From BBC

He looked to be in his early fifties, in baggy clothes and loosely laced sneakers, eyes squeezed mostly closed, expression slack.

From Salon

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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