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Word of the Day Tuesday, June 9, 2026

mildew

/ˈmaɪldəʊ/ noun · British & US
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What does mildew mean?

noun

A fungus that grows in damp or wet conditions, often causing damage to buildings, books, or other materials. It can also refer to a mild or unobtrusive quality.

Example

"The old book had a thick layer of mildew on its pages."

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

Synonyms for mildew

Antonyms of mildew

Rhymes with mildew

Etymologically related