Breathed fire is an idiom that means to express anger or intense emotion. The antonyms for this phrase include phrases such as calmness, coolness, and tranquility. Other opposite words for 'breathed fire' include expressions such as serenity, harmony, peacefulness, and composure. These are all expressions that convey a sense of inner peace and control over one's emotions. Antonyms for breathed fire also include phrases like kindness, gentleness, and compassion, which convey a sense of love and caring. Using these antonyms in writing or speech can provide a more nuanced and balanced approach to communication, allowing individuals to express themselves appropriately in a given situation.