/ Dictionary / Index W wear-out: Meaning and Definition of Find definitions for: wear-out Pronunciation: (wâr'out"), [key] — n. the act or fact of wearing out; a worn-out condition: wear-out at the knees of pants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wear-out (Thesaurus) wearisome wearproof Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language