What does mildewy mean?
Mildewy means covered with mildew or characterized by the damp, musty smell associated with fungal growth. It can describe a visible patch on a wall, an object marked by mold, or an enclosed space carrying a stale, damp odor. The word is especially evocative because it suggests that dampness has developed into something more persistent and unpleasant, often implying neglect or poor maintenance. Although not limited to a particular region, mildewy has a somewhat literary tone and appears more often in descriptive writing than in casual speech. It is also more visually and sensorially vivid than moldy: while moldy can function as a straightforward synonym, mildewy often emphasizes the visible growth or unmistakable smell. A sentence such as “The cottage smelled of mildewy plaster” conveys both the condition of the building and the atmosphere of age, dampness, and abandonment.
adjectiveCovered with mildew or affected by it; having the musty, damp appearance or smell associated with fungal growth.
- Covered with mildew or displaying a mold-like fungal growth.
- Having the musty, damp smell associated with mildew.
"The cottage smelled of mildewy plaster and forgotten rain."
"A mildewy patch darkened the ceiling above the old fireplace."
"The abandoned room had a heavy, mildewy scent."
Mildewy is the adjective for dampness that has reached the fungal stage—neglect you can almost smell.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does mildewy come from?
Mildewy was formed in English from mildew with the adjectival suffix -y, meaning covered with or resembling mildew. Mildew descends from Old English meldew, originally a term for fungal disease or growth on plants, and modern usage extends it to damp fungal growth in buildings and other indoor spaces. The later adjective developed within English to characterize objects and places bearing such growth or its characteristic odor.
How mildewy is actually used
The word is somewhat literary and evocative rather than everyday. It commonly conveys mustiness, dampness, and often neglect or poor upkeep.
Easily confused with mildewy
Mildew is the fungal growth or condition itself, whereas mildewy describes something covered by, affected by, or smelling of mildew.
Moldy is the American spelling of mouldy and is closely synonymous; mildewy more often evokes a conspicuous fungal growth or its characteristic musty smell.