The antonyms for the phrase "keep one's temper" are quite numerous. Some common antonyms include losing one's temper, getting angry, becoming enraged, flying into a rage, losing control, or flipping out. Other phrases that are opposite in meaning to "keep one's temper" include blowing your top, going ballistic, erupting, boiling over, and seeing red. Losing your temper can be a dangerous and destructive situation, often resulting in regrets and even physical harm. It's important to find ways to manage anger and frustration in healthy ways, such as taking deep breaths, walking away from the situation, or seeking professional help.
