/ Dictionary / Index S staying power: Meaning and Definition of Find definitions for: stay'ing pow"er Pronunciation: [key] ability or strength to last or endure; endurance; stamina. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. staybolt stay-in strike Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language