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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Terril Johnson’s wife of more than 54 years, Linda Johnson, of Los Angeles, his son, daughter-in-law, grandson and three granddaughters are suing on claims of negligence and negligent infliction of emotional distress.—
Julia Marnin,
Sacbee.com,
27 Oct. 2025 -
The complaint accused Coconut Grove Sailing Club and three counselors, including the one who operated the motorboat, of various counts of negligence.—
David Chiu,
PEOPLE,
27 Oct. 2025
Noun
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All three celebs proved how versatile a quarter-zip pullover can be by throwing it on during a relaxing night at home, pairing it with sweatpants for a matching set, and dressing it up with slacks.—
Rachel Trujillo,
PEOPLE,
29 Oct. 2025
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The two No 10s largely avoid the sort of slack passes and heavy touches that have previously halted United from properly settling into their attacking grooves.—
Carl Anka,
New York Times,
26 Oct. 2025
Noun
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His girlfriend, Charlotte Kurek, 31, faces two counts of chronic child neglect, one of which resulted in death.—
Adrienne Davis,
jsonline.com,
23 Oct. 2025
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Children enter foster care for reasons beyond their control – often because of abuse, neglect, or the ripple effects of addiction, incarceration, or untreated mental health conditions in their homes.—
Laura Rivera,
Denver Post,
23 Oct. 2025
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Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 31 Oct. 2025.
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