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
-
Boat operator negligence or DUI – The Coast Guard also states that negligent operation — including drinking, speeding, or unsafe boating — can lead to fines up to $5,000 and imprisonment.—
Veronica Fernandez-Alvarado,
Sacbee.com,
24 June 2025 -
In the early hours of June 14, 2017, residents of Grenfell Tower were caught off guard by a deadly fire that would turn the building into an international symbol of negligence and injustice.—
Time,
Time,
20 June 2025
Noun
-
Other middle-of-the-order bats — from current NL batting leader Will Smith, to June player of the month candidate Max Muncy and rising second-year star Andy Pages — have helped pick up the slack.—
Jack Harris,
Los Angeles Times,
27 June 2025
-
For the occasion, the Wolfs actor kept his look classic and wore a navy blue suit with matching slacks.—
Starr Bowenbank,
People.com,
26 June 2025
Noun
-
The Volusia Sheriff’s Office posted video of Scott Allen Gardner being apprehended on Thursday on charges of aggravated manslaughter of a child and child neglect causing great bodily harm.—
Brian Niemietz,
New York Daily News,
20 June 2025
-
London spoke about his case at a press conference earlier this month, where Barbara Fair, the executive director of Stop Solitary CT, referred to him as someone who had experienced medical neglect first-hand within the Department of Correction.—
Emilia Otte,
Hartford Courant,
20 June 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Cite this Entry
“Slackness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slackness. Accessed 5 Jul. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share