* Contra-: This prefix generally means "against" or "opposite," which aligns with the idea of being contrary.
* Contradictory: This word specifically implies contradicting or opposing something.
* Contravene: Means to go against or violate a rule or law.
* Anti-: This prefix also means "against" or "opposed to," which can be used to express contrary ideas or actions.
* Antithesis: This word refers to a direct opposite or contrasting element.
* Antagonistic: Describes something that opposes or struggles against another thing.
* Counter-: This prefix means "opposite" or "in opposition to," and it can be used to express a contrary view or action.
* Counterargument: This word refers to an argument that opposes a previous argument.
* Counterproductive: Describes something that has the opposite effect of what was intended.
The best prefix to use will depend on the specific meaning you want to convey. For example, if you want to emphasize the idea of contradicting something, "contra-" might be the best choice. If you want to express opposition to something, "anti-" or "counter-" might be better.