against

US /əˈɡenst/
UK /əˈɡenst/
"against" picture
1.

contre

in opposition to (someone or something)

:
The decision went against my wishes.
La décision est allée contre mes souhaits.
They are fighting against injustice.
Ils se battent contre l'injustice.
2.

contre

in contact with (something) so as to offer resistance to it

:
He leaned against the wall.
Il s'appuya contre le mur.
The boat drifted against the current.
Le bateau a dérivé contre le courant.
3.

contre, en prévision de

in preparation for the possibility of (something undesirable)

:
Save some money against a rainy day.
Économisez de l'argent pour les jours difficiles.
We need to take precautions against fire.
Nous devons prendre des précautions contre l'incendie.