SLACKNESS Synonyms: 61 Similar and Opposite Words

slackness

noun

Definition of slackness

as in negligence

failure to take the care that a cautious person usually takes considering the chemical company's slackness when it comes to safety, it's a wonder there hasn't been a catastrophe

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in slack

the extent to which something hangs or dips below a straight line there's simply too much slackness in this clothesline

Synonyms & Similar Words

Antonyms & Near Antonyms

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 slackness In the games so far, there have been quite a few fumbles and an apparent slackness of mind and limb. — E. Tammy Kim, New Yorker, 24 June 2026

Recent Examples of Synonyms for slackness

Noun

Even if the property is held in an LLC, the property manager will be personally liable for their personal negligence.

— Jay Adkisson, Forbes.com, 11 Aug. 2026
Last week, Nolan-O’Slatarra’s family filed a summons with notice against Durnan in Manhattan Supreme Court, accusing him of assault, gross negligence, and reckless and wanton conduct in connection with the woman’s death.

— Matt Lavietes, NBC news, 11 Aug. 2026

Definition of negligence

Noun

Pair it with stretchy slacks or capris, neutral sneakers, and a few pieces of jewelry for a simple but elevated travel look.

— Caley Sturgill, Southern Living, 6 Aug. 2026
Christensen, former fourth-round pick Chandler Zavala, Ja’Tyre Carter and undrafted rookie Isaia Glass have been asked to pick up the slack with Lewis and Hunt out for the bulk of the first week of camp.

— Mike Kaye, Charlotte Observer, 5 Aug. 2026

Definition of slack

Noun

Now, the City of Oakland is suing the property owner, Mosser Living, alleging elderly and disabled tenants were left stranded in their homes and that the prolonged elevator outage was part of a much broader pattern of neglect.

— CBS News, CBS News, 13 Aug. 2026
Undiagnosed learning disabilities, trauma or neglect can also make ordinary frustration feel unmanageable.

— Samantha Agate, Sacbee.com, 11 Aug. 2026