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

One is the legal stuff that’s going on—all this liability and product-liability and negligence stuff is starting to gain ground very much like the cigarette.

— Victoria Feng, The Atlantic, 19 Sep. 2026
In early August, the surviving Waithe daughter sued Kara, Zhuldasov and Next Level Express, alleging negligence and reckless conduct.

— John Kelly, CBS News, 17 Sep. 2026

Definition of negligence

Noun

Daryl Foreman was wearing a blue Walmart cap, a black shirt with Super Mario on the front, black slacks and blue tennis shoes.

— Briauna Brown, CBS News, 21 Sep. 2026
Seated in chairs, the group’s attire suggests a corporate off-site — athleisure, slacks, summer dresses — but the electricity in the air signals something different is afoot.

— Claire Hoffman, Rolling Stone, 21 Sep. 2026

Definition of slack

Noun

After all, people today eat hard candy, open bottles with their teeth, neglect to brush and floss.

— Pien Huang, NPR, 19 Sep. 2026
On social media and in legal filings, animal advocates complain that the 50-block zone in downtown Los Angeles that’s home to thousands of unhoused people is an epicenter of animal neglect and cruelty.

— Sandra McDonald, Los Angeles Times, 15 Sep. 2026