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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The lawsuit also alleges WSU was liable for claims of outrageous conduct and other forms of negligence.—
Kevin Fixler,
Idaho Statesman,
8 Jan. 2026 -
The legal claims included negligence, wrongful death, deceptive trade practices, and product liability.—
Beatrice Nolan,
Fortune,
8 Jan. 2026
Noun
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My biggest disappointment was where the tension went slack because the situation didn’t make sense.—
Christian Zilko,
IndieWire,
7 Jan. 2026
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Garner selected a chunky turtleneck sweater and gray slacks, while Affleck layered a gray jacket over a pink button-down and khaki pants.—
Hannah Malach,
InStyle,
7 Jan. 2026
Noun
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The sites of protest include small cities such as Abadan and the Kurdish-majority Malekshahi in the southwestern Ilam province, where economic grievances, unemployment, and state neglect are stark.—
Bobby Ghosh,
Time,
9 Jan. 2026
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For neighborhood residents, the properties have become symbols of disinvestment and neglect, drawing growing calls for city government to intervene.—
Frederick Melo,
Twin Cities,
9 Jan. 2026
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Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 15 Jan. 2026.
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