Letters that make musty
s, m, t, u, y are letters that make 'musty'
2 possible definitions for 'musty'
Under this definition, musty is an adjective and has the following properties:
stale is similar to musty.
"moldy bread", "a moldy (or musty) odor"
Under this definition, musty is an adjective and has the following properties:
malodorous, malodourous, unpleasant-smelling, ill-smelling, stinky are similar to 'musty'.