(conjunctive) Opposite of what had earlier been expected or assumed.

Opposite; in an opposite direction; in opposition; adverse. / Opposed; contradictory; inconsistent. / Given to opposition; perverse; wayward.

Contrarily

The opposite. / (logic) One of a pair of propositions that cannot both be simultaneously true, though they may both be false.

(obsolete) To oppose; to frustrate. / (obsolete) To impugn. / (obsolete) To contradict (someone or something). / (obsolete) To do the opposite of (someone or something).

despite; in opposition to (an assumption, etc.); differently from

Alternative form of on the contrary

present participle of contrary

The state or quality of being contrarious.

The state of being contrary