Returned compliment means a polite expression of praise in response to someone else's compliment. However, its antonyms can be impolite expressions or insults, such as criticism, mockery, insult, or derision. Instead of returning a compliment, one may use antonyms to show their disapproval, disgust or contempt towards the person or the situation. For example, instead of replying "Thank you, that's so kind of you," one may say "I don't need your compliments," or "You're just trying to manipulate me." Using antonyms to returned compliments may damage relationships and create negative feelings, so it's important to choose our words wisely.