/ Dictionary / Index S supercharger: Meaning and Definition of Find definitions for: su•per•charg•er Pronunciation: (s'pur-chär"jur), [key] — n. a mechanism for forcing air into an internal-combustion engine in order to increase engine power. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: supercharger (Thesaurus) supercharged superchurch Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language