Which word begins with a prefix means against?

There are many words that begin with a prefix meaning "against," but here are a few common examples:

* Anti- (meaning "against")

* Antibacterial

* Antisocial

* Anticipate (meaning "to act against something happening")

* Contra- (meaning "against, opposite")

* Contradict

* Contrary

* Contraband

Let me know if you'd like more examples or want to explore a specific context!