From Longman Dictionary of Contemporary Englishantithesisan‧tith‧e‧sis /ænˈtɪθɪsɪs/ noun (plural antitheses /-siːz/) [countable] formalOPPOSITE/REVERSE the complete opposite of somethingantithesis of This is not democratic. It is the antithesis of democracy.
Examples from the Corpus
antithesis• But to suggest that the conflict was over political rather than intellectual matters is to introduce a false antithesis.• Coercion and domination subvert the integrity of love by creating power relationships that are its antithesis.• In the domestic sphere the policy was equally fundamental, for tariff reform was seen as the antithesis of socialism.• He was a quiet, caring and loving boy, his nature being the antithesis of mine.• Research is the antithesis of randomness.• It seemed who they were was the antithesis of who they needed to be.Origin antithesis (1500-1600) Late Latin Greek, “opposition”, from antitithenai “to be against”, from anti- ( → ANTI-) + tithenai “to put” 