/ Dictionary / Index R runproof: Meaning and Definition of Find definitions for: run•proof Pronunciation: (run'prf"), [key] — adj. made to resist unraveling, runs, or running, as stockings or dyes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: runproof (Thesaurus) runover runt Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language