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Definition of musty
musty
/ˈmʌs.ti/
mus · ty
Adverb:mustily
musty Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
2
musty Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Having a stale, moldy, or damp smell or taste, typically caused by a lack of fresh air or moisture.
Example
"We opened all the windows to air out the musty basement after the winter months."
2
Lacking originality, vitality, or modern relevance; antiquated and dull.
Example
"The new director modernized the museum, replacing its musty exhibits with interactive displays."
Synonyms
View all synonyms for musty Antonyms
View all antonyms for musty• Rhymes for musty
Word Origin & Etymology
First recorded in the early 16th century, probably an alteration of the obsolete adjective 'moisty' (meaning damp or moldy), derived from Old French 'moiste' and ultimately Latin 'mucidus' (moldy or snively).
Cite this Entry
Wordmom. (2026). Definition of Musty. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/musty