Define antithesis. antithesis synonyms, antithesis pronunciation, antithesis translation, English dictionary definition of antithesis. n. pl. an·tith·e·ses 1. antithesis synonyms: noun The condition of being in conflict: antagonism, contradiction, contradistinction, contraposition, contrariety, contrariness, opposition. noun, plural antitheses [an-tith-uh-seez] ) 1. opposition; contrast: the antithesis of right and wrong. 2. the direct opposite (usually followed by of or to): Her. Search antithesis and thousands of other words in English definition and synonym dictionary from Reverso. You can complete the list of synonyms of antithesis given by. Synonyms for antithesis at Thesaurus.com with free online thesaurus, antonyms, and definitions. Dictionary and Word of the Day. Synonyms for “antithesis” | The official Collins English Thesaurus online. Over 1 million synonyms and antonyms with quotations and translations to other languages. synonym Synonyms and antonyms for antithesis. 1. antithesis (n.) exact opposite. Synonyms: oppositeness, opposition; 2. Synonyms for antithesis at Synonyms.net with free online thesaurus, antonyms, definitions and translations. Synonyms for ANTITHESIS. Find another name for Antithesis at Thesaurus.net Synonyms of Antithesis: antipode, opposite, contrary, counter. antonym; counterpoint; converse, inverse, mirror image Near Antonyms synonym; analogue (or.