The phrase "came on scene" means to arrive or appear at a particular location or event. Antonyms for this phrase include "left the scene," "absent," "vanished," and "departed." If someone did not "come on scene," they were not present or did not show up. Other antonyms include "missed the scene," "overlooked," "ignored," and "skipped." It is important to remember that there are many ways to express the opposite meaning of a phrase, and choosing the right words can help convey your message clearly and effectively. Antonyms can provide a useful perspective and help to broaden your communication skills.