Definitions:

1. exact opposition noun
   • Public opinion to the contrary, the suspect was not guilty.
2. of words or propositions so related that both cannot be true but both may be false adjective
   • `hot' and `cold' are contrary terms
3. resistant to guidance or discipline adjective
   • Mary Mary quite contrary
4. very opposed in nature or character or purpose adjective
   • acts contrary to our code of ethics

Synonyms:

• adverse
• opposite
• perverse