The term 'bursts out with' suggests sudden and intense emotions or behavior. Its antonyms are words that denote restraint and control. Some antonyms for 'bursts out with' are: stays calm, suppresses, represses, restrains, contains, subdues, withholds, curtails, hides, and conceals. In various situations, using these words can indicate sense, composure, or decorum. It can help to avoid inappropriate outbursts or exuberant behavior. Antonyms for 'bursts out with' can be especially useful in professional settings, in formal situations, and when trying to show respect for others. Using the right antonyms can enhance your communication and make your expressions more clear and nuanced.