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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Rachel Crafton, whose husband Casey was on the passenger plane, filed the suit alleging wrongful death and negligence.—
Alexandra Skores, CNN Money, 24 Sep. 2025
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Now 28, tretinoin has reversed the effects of my earlier negligence.—
Noun
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Paltrow shook up the look with her bottoms, trading traditional slacks for a pair of belted capris that fell just below the knee.—
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Another way the energy could affect you is that there is a sudden shift with coworkers on the job, leaving you to pick up the slack.—
Noun
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Igou is also facing a felony count of neglect of a dependent because her eldest child was allegedly not enrolled in school, according to court records reviewed by PEOPLE.—
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Four of the counts are felonies and carry an intensifier for neglect of a child under 6 years old.—
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Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 1 Oct. 2025.
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