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.
If kept outside, certain items can rust, become moldy, or even crack and break. Claire Hoppe Norgaard, Better Homes & Gardens, 14 Jan. 2025 To reduce your risk, stick to major commercial brands of nuts and nut butter, and throw away nuts that look moldy, discolored, or shriveled.9 Heating has little effect on aflatoxins.10 The U.S. Food and Drug Administration (FDA) tests foods for aflatoxins to ensure their safety. Johna Burdeos, Health, 7 Jan. 2025 Carpet, upholstered furniture, and other absorbent materials that are moldy may need to be replaced. Emily Mullin, WIRED, 16 Oct. 2024 Experts recommend disposing of moldy food immediately to avoid any potential health hazards. Josh Hammer, Newsweek, 2 Dec. 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 21 Jan. 2025.

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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