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
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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
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Example Sentences
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Recent Examples of slack
Jake Kanter, Deadline, 27 June 2025
Flying Squirrel Trampoline Park, 3305 Corporate Ave, Weston, is an indoor entertainment park with trampolines, dodgeball court, battle beam, climbing walls, ropes course, slack line, dunk hoops, ninja course arcade games, children’s areas (soft-play playground) and the Drey Café.
—Rod Stafford Hagwood, Sun Sentinel, 25 June 2025
Melony Forcier, Travel + Leisure, 8 Oct. 2025
Style it with jeans or corduroy pants in your favorite fall outfits, or wear it with a long skirt or slacks for work.
—Caley Sturgill, Southern Living, 8 Oct. 2025
Rachel Nall, SELF, 17 June 2025
Whether progress endures will depend on whether state policymakers resist the urge to slack on debt reduction at the first sign of improvement.
—Andrew Fowler, Hartford Courant, 8 May 2025
See All Example Sentences for slack
Adjective
In the footage, the wooden wall can be seen falling forward with a thud, while two vertical cables hang behind, apparently slack.
—Jake Kanter, Deadline, 27 June 2025
Flying Squirrel Trampoline Park, 3305 Corporate Ave, Weston, is an indoor entertainment park with trampolines, dodgeball court, battle beam, climbing walls, ropes course, slack line, dunk hoops, ninja course arcade games, children’s areas (soft-play playground) and the Drey Café.
—Rod Stafford Hagwood, Sun Sentinel, 25 June 2025
Noun
Lands' End Starfish Mid-rise Straight-leg Pants These Lands’ End straight-leg pants combine the stretchy, comfortable feel of leggings with the polished look of slacks.
—Melony Forcier, Travel + Leisure, 8 Oct. 2025
Style it with jeans or corduroy pants in your favorite fall outfits, or wear it with a long skirt or slacks for work.
—Caley Sturgill, Southern Living, 8 Oct. 2025
Verb
The potential causes can range from something as innocuous as slacking on your hydration to an ear condition or even a serious emergency, like a stroke.
—Rachel Nall, SELF, 17 June 2025
Whether progress endures will depend on whether state policymakers resist the urge to slack on debt reduction at the first sign of improvement.
—Andrew Fowler, Hartford Courant, 8 May 2025
See All Example Sentences for slack
Recent Examples of Synonyms for slack
Adjective
-
Meanwhile, the room service menu, which blended everything from soups and sandwiches to expansive plates, was a great option for breakfast in bed or a lazy lunch.—
Victoria Uwumarogie,
Essence,
10 Oct. 2025
-
The action itself may feel lazy, but the result is trouble-free, straightforward cool.—
Cortne Bonilla,
Vogue,
9 Oct. 2025
Adjective
-
There’s no question that the younger generation has brought their own approach to office life—prioritizing mental health, flexible scheduling, and work-life balance—and are even getting fired for not knowing how to act workplace-appropriate.—
Preston Fore,
Fortune,
17 Oct. 2025
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Its model favors small and midsize creators, offering quick setup, flexible operations, and space for experimentation.—
Essie Assibu,
Variety,
17 Oct. 2025
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
-
Any potential impact could trigger impressive auroras in northern skies and possibly even at mid-latitudes.—
Daisy Dobrijevic,
Space.com,
14 Oct. 2025
-
Officials argue that the approach gives Washington greater legal and military latitude to strike at foreign groups involved in narcotics smuggling.—
Antonio María Delgado,
Miami Herald,
14 Oct. 2025
Verb
-
The movement mirrors a human stretch meant to loosen the upper body.—
Georgina Jedikovska,
Interesting Engineering,
17 Oct. 2025
-
Always give the fabric a good shake outdoors to loosen and release excess dirt and dust before placing microfiber cloths in the machine.—
Nafeesah Allen,
Better Homes & Gardens,
17 Oct. 2025
Adjective
-
In March 2024, Karen was arrested and charged with a DUI and DWI, negligently driving a vehicle in a careless and imprudent manner endangering property, life, and person, as well as recklessly driving a vehicle in wanton and willful disregard for the safety of persons and property.—
Liza Esquibias,
PEOPLE,
10 Oct. 2025
-
Nigeria deserves solidarity in its fight against terror — not careless rhetoric that fuels misunderstanding.—
Jordan King,
MSNBC Newsweek,
8 Oct. 2025
Adjective
-
Linen-cotton blends with easy, breathable washes are ideal for relaxed shirting.—
Angela Velasquez,
Sourcing Journal,
15 Oct. 2025
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The most relaxed policies generally permit guests to cancel for a full refund 14 days before check-in.—
Karla Walsh,
Southern Living,
15 Oct. 2025
Adjective
-
Secure loose outdoor items and adjust plans as necessary so you're not caught outside.—
NC Weather Bot,
Charlotte Observer,
12 Oct. 2025
-
The mixture is dense and creamy; adding broth helps to create a looser sauce .—
Jasmine Smith,
Southern Living,
11 Oct. 2025
Cite this Entry
“Slack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slack. Accessed 18 Oct. 2025.
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