The phrase "chimed in" means to interrupt or join a conversation with one's own opinion. Some antonyms for "chimed in" would be to remain quiet, listen attentively, or abstain from participating in the conversation. These actions reflect a respectful approach to communication, where one allows others to express their thoughts without interrupting or dominating the discussion. Another antonym could be "take turns," where each participant is given an opportunity to contribute to the conversation without cutting others off. Using these antonyms can help foster a more courteous and collaborative environment in group discussions where everyone's opinion is valued and appreciated.