boil over
phrasal verbboil over
- (of liquid) to boil and flow over the side of a pan, etc.
- The milk is boiling over.
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- (informal) to become very angryTopics Feelingsc2
- (of a situation, an emotion, etc.) to change into something more dangerous or violent synonym explode
- Racial tension finally boiled over in the inner city riots.
- somebody's frustration/anger boils over