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English definition of “boil over”

boil over

verb [I/T] phrasal verb with boil  /bɔɪl/ us  
(of a liquid) to rise up in a cooking container and flow over the edge If anger or other feelings boil over, they become too strong to be controlled: Union membersfrustrations boiled over in demonstrations this weekend.
(Definition of boil over from the Cambridge Academic Content Dictionary © Cambridge University Press)
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