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

The suit accuses Publix of wrongful death, alleging breach of warranty and negligence.

— Chiara Kim, PEOPLE, 26 Sep. 2026
His widow, Yaraisi Santiso Morejon, who also represents Rodriguez’s estate in the lawsuit, alleges that negligence contributed to her husband’s death and that the incident was avoidable.

— Miami Herald, Miami Herald, 25 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