moldier; moldiest
1
: of, resembling, or covered with mold
2
a
: being old and moldering : crumbling
b
: antiquated, fusty
moldy tradition
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These pests are often found in moldy foods or foods with a high moisture content. Arricca Elin Sansone, Southern Living, 23 Sep. 2024 And there's nothing that looks worse (or smells worse) than a soft or moldy pumpkin sitting on your porch. Zach Bradshaw, The Arizona Republic, 18 Oct. 2024 Over a long period of time, even healthy people who are exposed to a wet, moldy, indoor environment may be at risk of developing allergies or asthma, Saff says. Emily Mullin, WIRED, 16 Oct. 2024 Dilute bleach with water in a spray bottle and use it to saturate the moldy spots along the caulking. Mary Cornetta, Better Homes & Gardens, 7 Sep. 2024 See all Example Sentences for moldy 

Word History

First Known Use

14th century, in the meaning defined at sense 1

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

Dictionary Entries Near moldy

Cite this Entry

“Moldy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moldy. Accessed 23 Nov. 2024.

Kids Definition

moldy

adjective
moldier; moldiest
: resembling, containing, or covered with mold
moldiness noun

Medical Definition

moldy

adjective
variants or chiefly British mouldy
moldier or chiefly British mouldier; mouldiest
: covered with a mold-producing fungus
moldy bread

More from Merriam-Webster on moldy

Last Updated: - Updated example sentences
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