boil over

verb

boiled over; boiling over; boils over
Synonyms of boil overnext

intransitive verb

1
: to overflow while boiling
2
a
: to become violent or lose control because of anger
so frustrated he's ready to boil over
b
: to develop into something more violent
Their disagreement finally boiled over into a fight.
boilover noun

Examples of boil over in a Sentence

Recent Examples on the Web
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The tension between the two boils over into a confrontation which only Eisenhower can adjudicate, a task complicated by his own arrogant British subordinate, a wiry and dislikable General Bernard Montgomery - played with a villainous verve bordering on the pantomime by Damian Lewis. Daniel Jonah Wolpert, NPR, 29 May 2026 The meeting was ultimately cut short as tensions boiled over and shouting matches erupted, leading police to clear the city chambers and bar residents from reentering. Victoria Le, Oc Register, 27 May 2026 Kickoff time frustrations have more routinely boiled over as the networks exercise their contractual power to optimize the football schedule for their interests. David Ubben, New York Times, 27 May 2026 Two adults and three juveniles were arrested after fights involving students at a high school in West Haven allegedly boiled over into a dispute with some of their parents. Justin Muszynski, Hartford Courant, 27 May 2026 See All Example Sentences for boil over

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of boil over was in the 15th century

Browse Nearby Words

Cite this Entry

“Boil over.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boil%20over. Accessed 31 May. 2026.

Kids Definition

boil over

verb
1
: to overflow while boiling
2
: to become so angry as to lose one's temper

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