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 motion does not address the core negligence and wrongful death claims stemming from the crash itself but seeks to dismiss claims related to emergency dispatch and allegations Riverside County officials failed to protect the victims after the collision.—
Alaa Elassar,
CNN Money,
22 June 2026 -
Charges have since been dismissed against three, including Nores — all of whom were accused of negligence.—
Jami Ganz,
New York Daily News,
22 June 2026
Noun
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One photo showed Swift in a blue floral midi dress, and Kelce kept it simple in a button-down shirt and brown slacks.—
Brendan Le,
PEOPLE,
20 June 2026
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While the starting pitching has been their undeniable strength, with Judge down other players have picked up the slack for the Yankees.—
Bill Madden,
New York Daily News,
20 June 2026
Noun
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People with serious mental illness continue to suffer in jails repeatedly criticized for violence, neglect, isolation, staffing shortages, and inadequate mental health care.—
Justyna Rzewinski,
New York Daily News,
16 June 2026
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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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Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 24 Jun. 2026.
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