adj. 25B6; adjective (DIRECTLY) OPPOSED, contrasting, contrary, contradictory, conflicting, incompatible, irreconcilable, inconsistent, poles apart, at variance/odds; rare oppugnant.
identical, like.
ANTITHETICAL
Meaning of ANTITHETICAL in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012