against

UK
/əˈɡɛnst/
US
/əˈɡɛnst/
againstpreposition
UK
/əˈɡɛnst/
US
/əˈɡɛnst/
Définitions
In opposition to; contrary to.
The team played against their rivals in the championship game.
In contact with; touching.
She leaned against the wall while waiting for her friend.