Definition of "Contrary" :
noun: a logical relation such that two propositions are contraries if both cannot be true but both can be false
noun: exact opposition
"Public opinion to the contrary he is not guilty."
noun: a relation of direct opposition
adjective: in an opposing direction
"A contrary wind."
adjective: resistant to guidance or discipline
"Mary Mary quite contrary."
adjective: very opposed in nature or character or purpose
"Acts contrary to our code of ethics."
adjective: of words or propositions so related that both cannot be true but both may be false
"Hot' and cold' are contrary terms."