SLACKNESS Synonyms: 61 Similar and Opposite Words

slackness

noun

Definition of slackness

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

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

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.

Recent Examples of slackness In the games so far, there have been quite a few fumbles and an apparent slackness of mind and limb. — E. Tammy Kim, New Yorker, 24 June 2026

Recent Examples of Synonyms for slackness

Noun

Miller investigated whether negligence in Gwen’s care resulted in her death.

— Duaa Eldeib, ProPublica, 8 Nov. 2026
The lawsuit alleges excessive force, battery, negligence and violation of Maverick Lyon’s Fourth Amendment rights.

— Daniella Silva, NBC news, 5 Nov. 2026

Definition of negligence

Noun

The Knights will have to turn to Landen Chambers (225 yards) and Taevion Swint (181) to pick up the slack against the Sun Devils, who are allowing 124 yards per game on the ground.

— Matt Murschel, The Orlando Sentinel, 11 Nov. 2026
Without Johnson the Wildcats have had to lean on junior Blake Barnett, senior Jacob Knuth and sophomore Dillon Duff to lead the way, but none has been able to pick up the slack for Johnson.

— Steven Johnson, Fort Worth Star-Telegram, 10 Nov. 2026

Definition of slack

Noun

All of those children were known to the Department of Children and Families and had referrals for abuse or neglect.

— Kaitlin McCallum, Hartford Courant, 2 Nov. 2026
The building already has materials, dimensions, defects, histories, neighbors, owners, previous uses, and established patterns of maintenance or neglect.

— Julian Rose, Artforum, 1 Nov. 2026