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Word of the Day Tuesday, June 9, 2026

slack

/slæk/ noun, verb · British & US
Valid in UKValid in US
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What does slack mean?

noun, verb

A feeling of weariness or lack of energy; a lack of tightness or firmness. To move or act in a relaxed and casual way.

Example

"The team's morale was low due to the long working hours, causing a general feeling of slack."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for slack

Antonyms of slack

Rhymes with slack

Etymologically related