/ Dictionary / Index R rain or shine: Meaning and Definition of Find definitions for: rain' or shine' Pronunciation: [key] regardless of the weather or circumstances; in any event: The concert will be held, rain or shine. He's always a reliable friend, rain or shine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rainmaker rainout Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language