contrary

Sense 1 noun

a relation of direct opposition

we thought Sue was older than Bill but just the reverse was true

Sense 2 adjective

very opposed in nature or character or purpose

acts contrary to our code of ethics

Sense 3 noun

exact opposition

public opinion to the contrary he is not guilty

Sense 4 adjective

of words or propositions so related that both cannot be true but both may be false

`hot' and `cold' are contrary terms

Sense 5 noun

a logical relation such that two propositions are contraries if both cannot be true but both can be false

Sense 6 adjective

resistant to guidance or discipline

Mary Mary quite contrary

Sense 7 adjective

in an opposing direction

adverse currents