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
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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
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Recent Examples of Synonyms for slackness
Noun
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In other words, if that water heater explodes, then the investor will be personally sued for negligence in not replacing it, and the liability shield of the real property company is thus circumvented.
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The passengers are accusing Delta of negligence, negligence per se and a violation of the Montreal Convention.
Noun
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My jaw was slack, my eyes were slammed shut, and my tongue hung out, touching the ground.
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As the offense carried the load, the Royals’ bullpen also picked up the slack.
Noun
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Some business owners say crime and neglect are driving away customers.
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Disabled people are disproportionately represented in detention, where inaccessible conditions, inadequate medical care, and systemic neglect put lives at risk.
Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 3 Jul. 2026.
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