/ Dictionary / Index M mothproof: Meaning and Definition of Find definitions for: moth•proof Pronunciation: (môth'prf", moth'-), [key] — adj. resistant to attack by moths. —v.t. to render (fabric, clothing, etc.) mothproof. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mothproof (Thesaurus) moth orchid mothy Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language