/ Dictionary / Index I ignoramus: Meaning and Definition of Find definitions for: ig•no•ra•mus Pronunciation: (ig"nu-rā'mus, -ram'us), [key] — pl. -mus•es. an extremely ignorant person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ignoramus (Thesaurus) ignominy ignorance Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language