slack 1 of 3

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slack

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noun

1
as in latitude
an allowable margin of freedom or variation our boss doesn't cut us any slack when it comes to being back from lunch on time

Synonyms & Similar Words

2
as in slackness
the extent to which something hangs or dips below a straight line take up the slack of a rope

Synonyms & Similar Words

Antonyms & Near Antonyms

3

slack

3 of 3

verb

as in to loosen
to make less taut the skipper ordered the crew to slack off the sheets on the mainsail

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word slack different from other adjectives like it?

Some common synonyms of slack are lax, neglectful, negligent, and remiss. While all these words mean "culpably careless or indicative of such carelessness," slack implies want of due or necessary diligence or care.

slack workmanship

When might lax be a better fit than slack?

While in some cases nearly identical to slack, lax implies a blameworthy lack of strictness, severity, or precision.

a reporter lax about accurate quotation

When could neglectful be used to replace slack?

The words neglectful and slack can be used in similar contexts, but neglectful adds a more disapproving implication of laziness or deliberate inattention.

a society callously neglectful of the poor

In what contexts can negligent take the place of slack?

While the synonyms negligent and slack are close in meaning, negligent implies inattention to one's duty or business.

negligent about writing a note of thanks

When is it sensible to use remiss instead of slack?

The synonyms remiss and slack are sometimes interchangeable, but remiss implies blameworthy carelessness shown in slackness, forgetfulness, or neglect.

had been remiss in their familial duties

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of slack
Adjective
But, as our offices become more mobile, and our tether to a single home base becomes increasingly slack, these rules have changed. Zachary Weiss, Vogue, 21 Oct. 2024 Levi's Wedgie Straight Jeans, $31 with Prime Aside from a cropped length, which these still have, a straight-leg fit displays your curves in a more slack way. Alyssa Grabinski, People.com, 9 Oct. 2024
Noun
Kissinger posed next to his wife, wearing a white button-down and gray slacks. Kayla Grant, People.com, 22 Apr. 2025 Cruise was seen in a white polo shirt, gray slacks and a navy jacket. Janelle Ash, FOXNews.com, 16 Apr. 2025
Verb
But slacking on your own preventative care and medical appointments just puts you at greater risk of experiencing a health issue—like Guthrie’s anxiety attack a few years ago. Korin Miller, SELF, 21 Jan. 2025 Aquarius' Health & Wellness Horoscope in 2025 Don't slack on your well-being, Aquarius! Skyler Caruso, People.com, 23 Dec. 2024 See All Example Sentences for slack
Recent Examples of Synonyms for slack
Adjective
  • The natural hot springs and spa are favorites among the more mature crowd, and the indoor pool, two-acre water park (complete with waterslide and a lazy river), and lawn games appeal to younger generations.
    Lydia Mansel, Southern Living, 18 Apr. 2025
  • And, being just 20 minutes from Athens’ city center, the hotel is perfectly positioned for both lazy beach days and quick jaunts to the Acropolis.
    Travel + Leisure Editors, Travel + Leisure, 16 Apr. 2025
Adjective
  • Want a new career that’s higher-paying, more flexible or fulfilling?
    Kamaron McNair, CNBC, 18 Apr. 2025
  • The device uses microneedles and flexible wiring to capture neural signals just beneath the skin, enhancing signal quality while minimizing invasiveness.
    Charlie Fink, Forbes.com, 18 Apr. 2025
Noun
  • California has been in the process of implementing various new regulations to give insurers more latitude to raise premiums in exchange for issuing more policies in high-risk areas.
    CBS News, CBS News, 22 Apr. 2025
  • The times and dates given apply to mid-northern latitudes.
    Jamie Carter, Forbes.com, 21 Apr. 2025
Verb
  • Idaho’s 1-to-6 ratio for infants remains in place, but the ratios were loosened for all older children.
    Rachel Cohen, Vox, 17 Apr. 2025
  • Compliance Gets Hyperlocal There is a tendency when reading headlines about sweeping changes to major regulatory initiatives to look only at the top-line effects — federal regulation is loosening — and the assumption that this will make compliance less burdensome.
    Mary Foley, Forbes.com, 17 Apr. 2025
Adjective
  • Sauter pleaded no contest to several charges, including vehicular homicide and careless operation of a motor vehicle without a valid driver’s license resulting in death.
    Frank Fernandez, USA Today, 17 Apr. 2025
  • McIlroy wasted a superb opening round with two careless double bogeys leaving him seven shots behind.
    Doug Ferguson, Chicago Tribune, 14 Apr. 2025
Adjective
  • Everyday Ladylike Light-wash barrel jeans from Mother Denim add a relaxed edge to a ladylike sweater set and kitten heels, making the whole look feel cool, not fussy.
    Christina Holevas, Vogue, 18 Apr. 2025
  • The war isn’t over, but at this writing, mandates have tightened (not relaxed) across major companies like Amazon, AT&T and Boeing.
    Bryan Robinson, Forbes.com, 18 Apr. 2025
Adjective
  • In these, the enemy is not a standing army but various terrorist organizations and looser categories of hostiles, enmeshed in large civilian populations.
    Colin Jones, New Yorker, 25 Apr. 2025
  • Iconic examples abound, from Yves Saint Laurent’s Le Smoking to Armani’s loose takes that made trousers for women permissible evening attire.
    Naomi Rougeau, Robb Report, 25 Apr. 2025
Noun
  • The combination of humor, humility, and skill made Arya stand out in a space dominated by polished perfection.
    Daniel Fusch, USA Today, 27 Apr. 2025
  • Releasing Clowney would save the Panthers about $7.75 million in cap space, according to Over The Cap.
    Mike Kaye, Charlotte Observer, 26 Apr. 2025

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Cite this Entry

“Slack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slack. Accessed 2 May. 2025.

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