Definition of "adversative"

In Matthew's Q-source, this short sentence may have been introduced by the strong adversative conjunction, "but" (alla).

1992, Raymond F. Collins, Divorce in the New Testament, page 155

In an adversative causative, the "causer" has only a nominal status and is, in actuality, a victim of the situation ...

2002, Shoichi Iwasaki, Japanese‎, page 146

This type of 'get-passive' typically bears adversative connotation, i.e. it is not used to express passives if the patient is not somewhat negatively affected by the event.

2004, Umberto Ansaldo, “The evolution of Singapore English”, in Lisa Lim, editor, Singapore English: A Grammatical Description, page 138

The adversative passive sentence expresses that the subject of the sentence is affected, usually adversely, by what is expressed in the rest of the sentence.

2014, Naomi H. McGloin et al., Modern Japanese Grammar: A Practical Guide, page 114