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 video of Rodrigues de Freitas falling to her death has gone viral on social media platforms, where internet users are describing her death as a surreal case of negligence.—
CBS News,
CBS News,
15 June 2026 -
Harden was also involved in an incident with a photographer at a Hollywood nightclub where a photographer sued for assault, battery and negligence.—
Zach Powell,
New York Times,
13 June 2026
Noun
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But the Spurs were outscored despite a 2-of-7 shooting start by New York's Jalen Brunson, with OG Anunoby and Josh Hart picking up the offensive slack.—
Andrew Greif,
NBC news,
9 June 2026
-
Perry wore a floor-length white gown as Trudeau kept his look simple in a white dress shirt and black blazer over matching slacks.—
KiMi Robinson,
USA Today,
9 June 2026
Noun
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Practically overnight, Sylvia’s cozy attitude toward the girl hardens into coolness, impatience and neglect.—
Natalia Winkelman,
Variety,
16 June 2026
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She was then arrested on a child neglect charge, police said.—
Paula Wethington,
CBS News,
16 June 2026
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Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 18 Jun. 2026.
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