/ Dictionary / Index B bigamous: Meaning and Definition of Find definitions for: big•a•mous Pronunciation: (big'u-mus), [key] — adj. having two wives or husbands at the same time; guilty of bigamy. involving bigamy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bigamous (Thesaurus) bigamist bigamy 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