This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Stale or moldy in odor or taste.

adj. Hackneyed or trite; dull.

adj. Out of date; antiquated.

adj. Out of use or practice; rusty.

adj. Having a stale odor.

adj. Having the rank, pungent, offensive odor and taste which substances of organic origin acquire during warm, moist weather; foul or sour and fetid; moldy

adj. Spoiled by age; rank; stale.

adj. Dull; heavy; spiritless.

Moldy; sour: as, a musty cask; musty corn or straw; musty books.

Having an ill flavor; vapid: as, musty wine.

Dull; heavy; spiritless; moping; stale.

n. Snuff having a musty flavor.

To become musty.

adj. stale and unclean smelling

adj. covered with or smelling of mold

"In high school I'd skip lunch and spend the money in musty bookstores on Jackson Blvd., their names long forgotten."

Stinky    malodourous    unpleasant-smelling    ill-smelling    malodorous    stale   

mustier    mustiest   

moldy    rank    stale    dull    heavy    spiritless    mold   

Dusty    busty    crusty    dusty    gusty    lusty    rusty    trusty   

dank    stale    fetid    dusty    smoky    musky    stuffy    dingy    acrid    mouldy