/ Dictionary / Index B big shot: Meaning and Definition of Find definitions for: big' shot" Pronunciation: [key] — Informal. Informal. an important or influential person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. big science big sister Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language