(linguistics) Expressing opposition or difference. / (linguistics) Expressing adverse effect.

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

Quality of being adversative.

In an adversative manner

plural of adversative

(uncountable) The state of adverse conditions; state of misfortune or calamity. / (countable) An event that is adverse; calamity.

opposite, contrary / causing adversion

A tendency or wish to avoid someone or something. / (obsolete) An adverting or turning towards; attention.

The state or quality of being adverse, or opposed.

In an adverse manner.