/ Dictionary / Index A antithetic: Meaning and Definition of Find definitions for: an•ti•thet•ic Pronunciation: (an"tu-thet'ik), [key] — adj. of the nature of or involving antithesis. directly opposed or contrasted; opposite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antithetic (Thesaurus) antithesis antitorque rotor 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