/ Dictionary / Index A atypical: Meaning and Definition of Find definitions for: a•typ•i•cal Pronunciation: (ā-tip'i-kul), [key] — adj. not typical; not conforming to the type; irregular; abnormal: atypical behavior; a flower atypical of the species. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: atypical (Thesaurus) at. wt. au* Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language