/ Dictionary / Index M mousy: Meaning and Definition of Find definitions for: mous•y Pronunciation: (mou'sē, -zē), [key] — mous•i•er, mous•i•est. resembling or suggesting a mouse, as in color or odor. drab and colorless. meek; timid: A drill sergeant can't be mousy! quiet; noiseless: a mousy tread. infested with mice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mousy (Thesaurus) Mousterian mouth Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language