set against (third-person singular simple present sets against, present participle setting against, simple past and past participle set against)

1. (transitive) To cause (a person) to be in conflict or opposition with someone or something.

   Synonym: pit against

   Their slander has set my family against me.

2. (transitive) To have a strong feeling of not desiring to do something. (Can we add an example for this sense?)