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
Leia Mendoza, Variety, 26 Sep. 2025
For months, Wall Street commentators have fretted that the artificial intelligence boom looks like a bubble, with capital spending – which some analysts estimate could reach $3 trillion by 2028 – fattening a few mega-cap firms, while lower-income workers suffer from a slack labor market.
—Eva Roytburg, Fortune, 17 Sep. 2025
Ben Travers, IndieWire, 4 Feb. 2026
The picks below capture the same energy and happen to look great with matching slacks or cigarette jeans.
—Jake Henry Smith, Glamour, 4 Feb. 2026
George Packer, The Atlantic, 6 Nov. 2025
Conventional mooring setups can easily become overextended or slack as levels shift, forcing operators to perform manual readjustments or face operational risks.
—Aamir Khollam, Interesting Engineering, 7 Oct. 2025
See All Example Sentences for slack
Adjective
Ben O’Hanlon, the key stunt rigger, rigged up a slack line that went around a corner.
—Leia Mendoza, Variety, 26 Sep. 2025
For months, Wall Street commentators have fretted that the artificial intelligence boom looks like a bubble, with capital spending – which some analysts estimate could reach $3 trillion by 2028 – fattening a few mega-cap firms, while lower-income workers suffer from a slack labor market.
—Eva Roytburg, Fortune, 17 Sep. 2025
Noun
Maybe these choices aren’t driven by a fear of ceding audience attention to TikTok so much as by fear of letting a taut story go slack.
—Ben Travers, IndieWire, 4 Feb. 2026
The picks below capture the same energy and happen to look great with matching slacks or cigarette jeans.
—Jake Henry Smith, Glamour, 4 Feb. 2026
Verb
Selva raised her chin, causing the length of rope above the noose to go slightly slack.
—George Packer, The Atlantic, 6 Nov. 2025
Conventional mooring setups can easily become overextended or slack as levels shift, forcing operators to perform manual readjustments or face operational risks.
—Aamir Khollam, Interesting Engineering, 7 Oct. 2025
See All Example Sentences for slack
Recent Examples of Synonyms for slack
Adjective
-
Fighting inflation by raising interest rates is lazy policy.—
Letters to the Editor,
The Orlando Sentinel,
6 Feb. 2026
-
Not to sound lazy, but there are some pretty neat inventions that have come along to make this process much easier.—
Ashlyn Needham,
Southern Living,
6 Feb. 2026
Adjective
-
Experts believe the crown’s flexible mount was strained when thieves wrenched it from its display through a narrow slot cut by the angle grinder, according to a report by the Louvre.—
Laura Sharman,
CNN Money,
6 Feb. 2026
-
The passenger version supports flexible layouts.—
Aamir Khollam,
Interesting Engineering,
6 Feb. 2026
Adjective
-
Next, carefully remove the bowl from the microwave and use a microfiber cloth to wipe away all the loosened grime.—
Maria Sabella,
Better Homes & Gardens,
7 Aug. 2025
Noun
-
Auroras are typically confined to high latitudes near Earth's north and south magnetic poles, making sightings in the Southern Hemisphere this far north of Antarctica very rare.—
Daisy Dobrijevic,
Space.com,
4 Feb. 2026
-
Either way, the result is a higher chance for Arctic air to reach mid-latitudes, though a split usually signals a more persistent winter pattern.—
Brandi D. Addison,
Cincinnati Enquirer,
3 Feb. 2026
Verb
-
The Fed loosened anyway — a rational response to the severe downturn — and inflation remained low for years to come.—
Steve Chapman,
Chicago Tribune,
4 Feb. 2026
-
The Bucks won’t be, either, and that loosens trade restrictions on deals involving those two teams.—
Barry Jackson,
Miami Herald,
3 Feb. 2026
Adjective
-
When a newspaper is felled by careless or malicious owners, millions of people are hurt, in big ways and small ways and ways that are impossible to measure.—
Alexandra Petri,
The Atlantic,
5 Feb. 2026
-
Karlsson was on the wrong side of the puck all evening, made careless decisions and generally played a thoughtless game.—
Josh Yohe,
New York Times,
3 Feb. 2026
Adjective
-
Instead of blindly following your partner into a defensive crouch, lead them back to an open, relaxed posture that builds true connection.—
Matt Abrahams,
CNBC,
9 Feb. 2026
-
The crisp side stripes add a chic, athletic edge—wear the full set with retro sneakers, or split it up with the pants styled with a cardigan and the top paired with relaxed denim.—
Rosie Marder,
Travel + Leisure,
9 Feb. 2026
Adjective
-
And in the corner of Hadder’s old office, unguarded and unaccounted for, was a loose pile of guns.—
Rob Picheta,
CNN Money,
7 Feb. 2026
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Across the central mountains and southern ranges, loose dry avalanches are becoming a more widespread problem.—
Callie Zanandrie,
CBS News,
6 Feb. 2026
Cite this Entry
“Slack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slack. Accessed 11 Feb. 2026.
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