against
prepositionUK /əˈɡenst/
US /əˈɡenst/
If you are against something, you do not want it to happen.
The whole class was against the idea of more homework.
RELATED WORDS
OTHER MEANINGS
2. Touching or leaning on something.
She leaned against the wall to rest.
3. In a direction toward something, often to hit it.
The rain beat against the window.
4. Used to compare two things.
We measured the new plant against the old one.
5. As a protection or defense from something.
The umbrella kept us safe against the sun.