Opposed; contradictory; inconsistent.
Opposite; in an opposite direction; in opposition; adverse.
Given to opposition; perverse; wayward.
One of a pair of propositions that cannot both be simultaneously true, though they may both be false.
The opposite.
Contrarily
Contrary to known or agreed facts; untrue.
Of or in comparison to a hypothetical state of the world.
A conditional statement in which the conditional clause is false.
A claim, hypothesis, or other belief that is contrary to the facts.
A hypothetical state of the world, used to assess the impact of an action.