Carrying on about is a phrase that refers to excessive or unnecessary talk, often characterized by a lack of substance or focus. Antonyms for this phrase might include terms like succinct, concise, or to the point, all of which emphasize brevity and clarity over verbosity. Other potential antonyms might include words like restrained, reserved, or understated, which connote a sense of calmness or composure in communication. Alternatively, specific antonyms could be framed in terms of the opposite actions or behaviors, such as staying quiet or ceasing conversation altogether. Regardless of the specific context, antonyms for carrying on about tend to center around simplicity, focus, and measured speech.