1
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
2
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
Recent Examples of Synonyms for slackness
Noun
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In California, with its history of wildfires often caused by arson or negligence, prosecutors have not shied away from filing criminal charges, including murder, against people suspected of starting blazes or explosions, Taylor said.—
Sharon Bernstein,
Sacbee.com,
11 Apr. 2026 -
Jurors found Smith was liable for negligence in Dalessio’s death and awarded her family $15,235,245, court papers said.—
Justin Muszynski,
Hartford Courant,
11 Apr. 2026
Noun
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Dua Lipa’s glamour-bot routine is a bit slack, Fosse by way of a Jane Fonda aerobics tape.—
Doreen St. Félix,
New Yorker,
13 Apr. 2026
-
So Bednar needs to let the line out a little bit, give him some slack.—
Troy Renck,
Denver Post,
9 Apr. 2026
Noun
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Among other complaints, detainees there allege systemic medical neglect and inadequate food and water.—
Foreign Correspondent,
Los Angeles Times,
14 Apr. 2026
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Improper cleaning can do as much damage to your deck as neglect.—
Kate Van Pelt,
The Spruce,
14 Apr. 2026
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Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 17 Apr. 2026.
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