The opposite.
One of a pair of propositions that cannot both be simultaneously true, though they may both be false.
Contrarily
Opposite; in an opposite direction; in opposition; adverse.
Opposed; contradictory; inconsistent.
Given to opposition; perverse; wayward.
Something beyond compare; a thing with which there is no comparison.
Not able to be compared.
So much better than another as to be beyond comparison; matchless or unsurpassed.