(archaic, of persons) Tending to counter, oppose, resist, argue. / (archaic, of things) Harmful, vexatious.

contrary; opposed; antagonistic; contradictory

(rare) A thing that is contrary or of opposite qualities.

plural of contrary

(obsolete) Contrarily; oppositely.

plural of contrariness

simple past tense and past participle of contrary

plural of contrariant

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

The opposite of what most laypeople would think is true.