Adversative

Origin

From Latin adversativus ("of conjunctions, expressing opposition")

Full definition of adversative

Adjective

1. (linguistics) Expressing opposition or difference.
• 1992, Raymond F. Collins, Divorce in the New Testament‎, In Matthew's Q-source, this short sentence may have been introduced by the strong adversative conjunction, "but" (alla).

Noun

1. (rare, dated) Something, particularly a clause or conjunction, which is adversative.