The opposite buy / sell is an example forAGradable antonymBNon gradable antonymCConverse antonymDComplimentary antonymAnswer: C. Converse antonym Read Explanation: The words "buy" and "sell" are converse antonyms. What are Converse Antonyms?Converse antonyms describe a reciprocal relationship between two actions or roles.When one buys, the other sells — the relationship implies each other.You cannot buy something unless someone sells it to you. More examples of converse antonyms:Give / ReceiveLend / BorrowEmployer / EmployeeParent / Child Read more in App