Turn against : English Phrasal Verb : Online English Lessons

To turn against someone is to stop liking them and start disliking them and becoming unfriendly towards them.

Example of use:
1. The voters turned against their Member of Parliament when he lied to them.

2. The football coach denies reports he turned against his star player.

To turn someone against someone, or something, is to make them start disliking them.

Example of use:
Sasha’s parents turned her whole family against her boyfriend.

infinitive – turn against

present simple – turn against and turns against

-ing form – turning against

past simple – turned against

past participle – turned against