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
-
Chef Velázquez recommends this sandy destination to get together with family and friends for a lazy day at the beach.—
Lauren Sanchez,
Vogue,
10 Feb. 2026
-
The destination features the Loco Waterpark, the world’s longest lazy river and seven distinct neighborhoods.—
Patrick Connolly,
The Orlando Sentinel,
7 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
-
Tree cover is almost absent above 71 degrees north latitude, approaching the Arctic Circle, the researchers said.—
Julia Jacobo,
ABC News,
10 Feb. 2026
-
Until now, any free-speech debates concerning sitting members of Congress have led to the conclusion that lawmakers ought to have—to borrow from former Chief Justice Earl Warren—the widest possible latitude to express themselves.—
Missy Ryan,
The Atlantic,
9 Feb. 2026
Verb
-
Reheat it in a saucepan over medium heat, adding a splash or two of chicken broth or water to loosen the sauce as needed.—
Martha Stewart,
Martha Stewart,
11 Feb. 2026
-
Los Angeles loosened conversion rules, allowing commercial buildings just 15 years old to become housing with streamlined city approvals instead of lengthy reviews.—
Roger Vincent,
Los Angeles Times,
11 Feb. 2026
Adjective
-
Brooklyn got careless, committing nine turnovers in the quarter.—
C.J. Holmes,
New York Daily News,
10 Feb. 2026
-
That will be the difference in the game unless Darnold is careless with the ball.—
Mike Sando,
New York Times,
7 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
-
None of these would form the loose, granular snow conditions that compress under skis on Earth and Pluto's gravity only makes things worse.—
Daisy Dobrijevic,
Space.com,
13 Feb. 2026
-
This will get rid of any loose hair, flaky skin, or pesky dandruff.—
David Fear,
Rolling Stone,
13 Feb. 2026
Cite this Entry
“Slack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slack. Accessed 14 Feb. 2026.
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