Mordancy refers to a cutting or sarcastic way of speaking or writing. Some synonyms for this word are sarcasm, causticity, acerbity, irony, bitingness, trenchancy, and severity. These words all convey a similar sense of sharp wit or humor that is designed to mock or criticize. Other synonyms for mordancy include sardonicism, bitterness, barbedness, and acrimony. Whether used in literature, everyday conversation, or comedy, mordancy is a way of expressing a sharp or biting point of view that can be both entertaining and thought-provoking. The appropriate word choice often depends on the context and the tone desired by the speaker or writer.