musty

US /ˈmʌs.ti/
UK /ˈmʌs.ti/
"musty" picture
1.

having a stale, moldy, or damp smell

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The old books in the attic had a musty smell.
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The basement always feels a bit musty after heavy rain.
:
stalemoldydampfustymildewy
2.

lacking freshness, interest, or imagination; old-fashioned

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His ideas for the new project were rather musty and uninspired.
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The play felt a bit musty, as if it belonged to another era.
:
outdatedold-fashionedstaleuninspireddull