/ Dictionary / Index B bigwig: Meaning and Definition of Find definitions for: big•wig Pronunciation: (big'wig"), [key] — n. Informal. an important person, esp. an official: senators and other political bigwigs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bigwig (Thesaurus) big wheel Bihar Related Content Daily Word Quiz: benevolent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language