adjective, mus·ti·er, mus·ti·est.
Origin of musty1
Related formsmus·ti·ly, adverbmus·ti·ness, noun
Examples from the Web for mustiness
Mustiness was clean gone, swept from her frequent haunts by the sweet breath of Nature.Berry And Co.|Dornford Yates
All mold and mustiness should be kept out by thorough ventilation and frequent coats of whitewash to the walls.Science in the Kitchen.|Mrs. E. E. Kellogg
Sections of the flooring and woodwork also reeked with mustiness.
Gloom and mustiness were his first reward, but as his eyes became accustomed to the darkness he saw that he was in the kitchen.The Lilac Girl|Ralph Henry Barbour
The hay smelt of mustiness, and the sheet smelt of something worse, but we were in no mood for niceties.Through Arctic Lapland|Cutcliffe Hyne