1
as in lazy
failing to give proper care and attention
a building contractor known mainly for his firm's slack workmanship and slipshod construction
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in flexible
not bound by rigid standards
slack supervision on the project
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in loosened
not tightly fastened, tied, or stretched
left the ropes slack
Synonyms & Similar Words
Antonyms & Near Antonyms
1
2
3
as in pants
slacks plural
an outer garment covering each leg separately from waist to ankle
she prefers wearing slacks instead of a dress
Synonyms & Similar Words
Example Sentences
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Recent Examples of slack
Yaniv Golan,
Forbes.com,
16 Mar. 2026
But what happens when the detox is over and the chorus of text pings, slack dings and social media notifications swells throughout the rest of the year?
—
Deborah Vankin,
Los Angeles Times,
13 Jan. 2026
Amy Lawrence,
New York Times,
26 June 2026
The closet staple pairs effortlessly with everything from denim shorts and linen pants to tailored slacks and skirts — just look at how Gwyneth Paltrow styled hers with a sleek black maxi skirt.
—
Nicol Natale,
PEOPLE,
25 June 2026
Amy Nicholson,
Los Angeles Times,
4 Feb. 2026
Does no slack in sales volume, despite higher DRAM prices, hurt the case?
—
Jim Cramer,
CNBC,
25 Jan. 2026
See All Example Sentences for slack
Adjective
The worst transition is from a frictionless sprint into slack time or shallow administrative work.
—
Yaniv Golan,
Forbes.com,
16 Mar. 2026
But what happens when the detox is over and the chorus of text pings, slack dings and social media notifications swells throughout the rest of the year?
—
Deborah Vankin,
Los Angeles Times,
13 Jan. 2026
Noun
Mane was effervescent, but initially the rest of his team looked slack by comparison until Thiaw rang those second half changes.
—
Amy Lawrence,
New York Times,
26 June 2026
The closet staple pairs effortlessly with everything from denim shorts and linen pants to tailored slacks and skirts — just look at how Gwyneth Paltrow styled hers with a sleek black maxi skirt.
—
Nicol Natale,
PEOPLE,
25 June 2026
Verb
Nitibhon, a Thai supermodel, plays her tycoon as comically drab, keeping her gaunt cheeks slack to emphasize her character’s hollowness.
—
Amy Nicholson,
Los Angeles Times,
4 Feb. 2026
Does no slack in sales volume, despite higher DRAM prices, hurt the case?
—
Jim Cramer,
CNBC,
25 Jan. 2026
See All Example Sentences for slack
Recent Examples of Synonyms for slack
Adjective
-
And just like Alito, some members of my family have forgotten our history and support Trump or favor some of his immigration policies, dismissing new arrivals as criminals or lazy.
-
Today, the park operates more than 40 family-friendly water attractions including thrilling slides, casual pools and a lazy river.
Adjective
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Most importantly, organizations need to stay flexible themselves.
-
The four-piece set includes two semi-transparent and two transparent shades made from a lightweight, flexible mesh material that utilizes static energy to cling to windows without the need for adhesives or suction cups.
Adjective
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Hence shirt jackets and safari jackets in linen and leather came to the fore, as did denim Bermudas, linen polos and lots of lifestyle knits amid its more formal, full-canvas tailoring — styled with a loosened tie.
-
For now, though, Detroit’s automakers are leaning into the lucre that comes from selling millions of fossil-fuel vehicles in a rare moment of loosened regulation.
Noun
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Better results at the plate have given the Phillies some latitude to make mistakes on defense.
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While the effects of these pollutants are strongest at middle to high latitudes, variability is lowest near the tropics.
Noun
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In the games so far, there have been quite a few fumbles and an apparent slackness of mind and limb.
Verb
-
Add enough of the measured water to loosen the mixture and form a sauce; fluid but not runny is the key.
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The board also had to grant a request to loosen zoning rules, called a variance, to allow for six housing units — which is a few more than would normally be allowed on a lot of its size — and make the project possible.
Adjective
-
The Most The business owners who get burned in an exit are almost never careless.
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Still, multitasking can lead to careless errors, irritability or burnout, so take it easy.
Adjective
-
This relaxed pick is incredibly soft, really cute, and surprisingly easy to style.
-
The tasting terrace, one of the loveliest places in the region, is the perfect spot to spend an afternoon with its relaxed atmosphere and sweeping views of the estate’s vineyards.
Cite this Entry
“Slack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slack. Accessed 3 Jul. 2026.
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