The story
- Middle English · inherited fromslacnesse
- English todayslackness
From Middle English slacnesse, slakenes, slaknesse; equivalent to slack + -ness. Compare Old English slæcnes.
Etymology from Wiktionary, CC BY-SA 4.0.
slackness
Today it means: The state of being slack; the quality of having slack. Full definition →
Middle English slacnesse