\ ˈmōl-dē How to pronounce moldy (audio) \
moldier; moldiest

Definition of moldy

1 : of, resembling, or covered with mold
2a : being old and moldering : crumbling
b : antiquated, fusty moldy tradition

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Other Words from moldy

moldiness noun

Examples of moldy in a Sentence

Her books became moldy after being left in a damp basement. The wine had a slightly moldy aroma.

Recent Examples on the Web

Here the Little Match Girl looks entirely out of place—Constance has kept the print through college and graduate school, its twin, Hansel and Gretel, lost to a moldy basement in Oakland, unrecoverable. Kate Walbert, The New Yorker, "To Do," 26 Aug. 2019 Civil engineering workers ripped out carpet, laid new flooring and put up ceiling fans Thursday in Building 1215 at Joint Base San Antonio-Lackland as the Air Force ramped up renovations on moldy dorms. Sig Christenson,, "San Antonio dorm project part of Air Force’s war on mold," 1 Aug. 2019 Mitcham, with the UC Postharvest Technology Center, said that one moldy strawberry doesn’t doom the entire carton. Washington Post, "Sprouting onions and scarred tomatoes: How to tell whether fading produce is still safe to eat," 25 July 2019 While some accused Hill of selling old and moldy lipsticks, a representative from Jaclyn Cosmetics told PEOPLE that the products are safe to use. Kaitlyn Frey,, "YouTube Star Jaclyn Hill Says She 'Gained 20 Pounds in 7 Weeks' After 'Failed' Lipstick Launch," 5 Aug. 2019 This Note pleads with people to stop eating moldy bread. Ephrat Livni, Quartz, "The problem with Tiffany Cabán and the new cult of “progressive prosecutors”," 28 June 2019 This is the moldy, wet cardboard smell imparted to a wine by a chemical contaminant in cork. Dave Mcintyre, Washington Post, "The fault in our glass: How imperfections can enhance some wines — and even make them memorable," 28 June 2019 Bread brand Arnold now sells 10-slice Simply Small loaves for consumers who can’t bear to throw away moldy slices—or freeze bread for later use. Lydia Belanger, Fortune, "As More Products Are Made for Single People, a Waste Conundrum Emerges," 22 June 2019 Later, June spies the couple bonding over the music, freshly unearthed from a moldy box in the basement. Julie Kosin, Harper's BAZAAR, "Bradley Whitford Is More Confused By His Handmaid's Tale Character Than You," 20 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'moldy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of moldy

14th century, in the meaning defined at sense 1

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Statistics for moldy

Last Updated

8 Sep 2019

Look-up Popularity

Time Traveler for moldy

The first known use of moldy was in the 14th century

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More Definitions for moldy



English Language Learners Definition of moldy

: covered with mold
: resembling mold : tasting, smelling, or looking like mold


\ ˈmōl-dē How to pronounce moldy (audio) \
moldier; moldiest

Kids Definition of moldy

: covered with or containing mold moldy fruit


variants: or chiefly British mouldy \ ˈmōl-​dē How to pronounce mouldy (audio) \
moldier or chiefly British mouldier; mouldiest

Medical Definition of moldy

: covered with a mold-producing fungus moldy bread

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More from Merriam-Webster on moldy

Rhyming Dictionary: Words that rhyme with moldy

Spanish Central: Translation of moldy

Nglish: Translation of moldy for Spanish Speakers

Britannica English: Translation of moldy for Arabic Speakers

Comments on moldy

What made you want to look up moldy? Please tell us where you read or heard it (including the quote, if possible).


friendly or mild

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