moldier; moldiest
1
: of, resembling, or covered with mold
2
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
Spray the solution on the moldy surface or apply it with a soft cloth.
—
Mary Marlowe Leverette, The Spruce, 25 Apr. 2026
Why did my raspberries get moldy so fast?
—Kait Hanson, Southern Living, 25 Apr. 2026
Adding nearly expired or moldy yogurt to fresh yogurt can contaminate it.
—Heidi Moawad, Verywell Health, 23 Apr. 2026
Don’t use a spray bottle to water your succulents—misting can cause brittle roots and moldy leaves.
—Elizabeth Stamp, Architectural Digest, 20 Apr. 2026
See All Example Sentences for moldy
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Mary Marlowe Leverette, The Spruce, 25 Apr. 2026
Why did my raspberries get moldy so fast?
—Kait Hanson, Southern Living, 25 Apr. 2026
Adding nearly expired or moldy yogurt to fresh yogurt can contaminate it.
—Heidi Moawad, Verywell Health, 23 Apr. 2026
Don’t use a spray bottle to water your succulents—misting can cause brittle roots and moldy leaves.
—Elizabeth Stamp, Architectural Digest, 20 Apr. 2026
See All Example Sentences for moldy
Cite this Entry
“Moldy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moldy. Accessed 2 May. 2026.
Copy CitationKids 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
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