/ Dictionary / Index H high-power: Meaning and Definition of Find definitions for: high-pow•er Pronunciation: (hī'pou'ur), [key] — adj. (of a rifle) of a sufficiently high muzzle velocity and using a heavy enough bullet to kill large game. high-powered. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: high-power (Thesaurus) high polymer high-powered 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