/ Dictionary / Index W weatherproof: Meaning and Definition of Find definitions for: weath•er•proof Pronunciation: (we'ur-prf"), [key] — adj. able to withstand exposure to all kinds of weather. —v.t. to make (something) weatherproof. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: weatherproof (Thesaurus) weatherperson weatherproofer Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language