mustier; mustiest
1
a
: impaired by damp or mildew : moldy
old musty books
musty hay
b
: tasting of mold
musty wine
c
: smelling of damp and decay : fusty
The cellar was musty.
2
a
: trite, stale
musty prose
b(1)
: antiquated
musty customs
(2)
: superannuated
musty slang
mustily adverb
mustiness noun
Choose the Right Synonym for musty

malodorous, stinking, fetid, noisome, putrid, rank, fusty, musty mean bad-smelling.

malodorous may range from the unpleasant to the strongly offensive.

malodorous fertilizers

stinking and fetid suggest the foul or disgusting.

prisoners were held in stinking cells
the fetid odor of skunk cabbage

noisome adds a suggestion of being harmful or unwholesome as well as offensive.

a stagnant, noisome sewer

putrid implies particularly the sickening odor of decaying organic matter.

the putrid smell of rotting fish

rank suggests a strong unpleasant smell.

rank cigar smoke

fusty and musty suggest lack of fresh air and sunlight, fusty also implying prolonged uncleanliness, musty stressing the effects of dampness, mildew, or age.

a fusty attic
the musty odor of a damp cellar

Examples of musty in a Sentence

a dark and musty basement the musty prose of writers who use the same expressions over and over
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.
From 120 beds in musty old quarters to 350 in new digs, those dorms have also come of age. Joe Davidson, Sacramento Bee, 14 Feb. 2025 Keep reading to find out what's causing that musty smell in your closet. Rabekah Henderson, Southern Living, 8 Feb. 2025 Professional darts has transformed over the last two decades, largely guided by Hearn, from a pastime practiced in musty pubs by middle-aged men to an international phenomenon. Claire Moses, New York Times, 2 Jan. 2025 Most people old enough to remember MGAs, MGBs, MG Midgets, and, in rarer cases, the cycle-fender T-Series that started it all—featured in Two for the Road, with Albert Finney and Audrey Hepburn—have relegated the storied marque to the musty garage of fading memory. Jamie Kitman, airmail.news, 14 Dec. 2024 See all Example Sentences for musty 

Word History

Etymology

must entry 4

First Known Use

1530, in the meaning defined at sense 1a

Time Traveler
The first known use of musty was in 1530

Dictionary Entries Near musty

Cite this Entry

“Musty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/musty. Accessed 20 Feb. 2025.

Kids Definition

musty

adjective
mustier; mustiest
1
a
: affected by dampness or mildew : moldy
b
: tasting or smelling of dampness and decay
2
a
: stale entry 1 sense 2, trite
musty proverbs
b
: outmoded, antiquated
musty traditions
mustiness noun

More from Merriam-Webster on musty

Last Updated: - Updated example sentences
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