ANTITHETIC Meaning of ANTITHETIC in English antithetic BrE AmE ˌænt i ˈθet ɪk ◂ -ə- AmE \ ˌæn t̬ i ˈθet̬ ɪk ◂▷ antithetic|al ə l▷ antithetic|ally ə l‿i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012