completely different or opposed in nature

said of the wind or weather: unfavourable

/kənʹtreəri, ʹkontrəri/ obstinately self-willed; inclined to oppose the wishes of others

/kənʹtreəri/ opposite in position or direction

They are gone a contrary way — Shakespeare

said of a pair of propositions: logically such that one, or neither, but not both, must be true: compare contradictory

a fact or condition incompatible with another

either of a pair of opposites

either of two contrary propositions, e.g. true and false, that cannot both simultaneously be said to be true of the same subject