/ Dictionary / Index M mossy: Meaning and Definition of Find definitions for: moss•y Pronunciation: (mô'sē, mos'ē), [key] — moss•i•er, moss•i•est. overgrown with or abounding in moss: a mossy stone. covered with a mosslike growth. appearing as if covered with moss. resembling moss: a mossy softness. old or outdated; antiquated: mossy ideas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mossy (Thesaurus) mosstrooper mossy horn Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language