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Added 9 October 2026

slackness

/ˈslæknəs/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about slackness at Wordnik → Where our words come from →

Weakness characterized by a lack of vitality or energy.
The quality of being loose (not taut).
he hadn't counted on the slackness of the rope
The quality of being lax and neglectful.

Origin

From Middle English slacnesse, slakenes, slaknesse; equivalent to slack + -ness. Compare Old English slæcnes.

From Wiktionary, via Kaikki.org (CC BY-SA)

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