/ Dictionary / Index B bigness: Meaning and Definition of Find definitions for: big•ness Pronunciation: (big'nis), [key] — n. the fact or condition of being large in size, extent, amount, etc. size. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bigness (Thesaurus) big name bignonia Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language