Breadcrumb Home > Dictionary > Index I ignorance: Meaning and Definition of Find definitions for: ig•no•rance Pronunciation: (ig'nur-uns), [key] — n. the state or fact of being ignorant; lack of knowledge, learning, information, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ignorance (Thesaurus) ignoramus ignorant ✖ Related Content Daily Word Quiz: restive Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language