Definition of “burst” - English Dictionary

“burst” in British English

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uk /bɜːst/ us /bɝːst/ burst, burst

B2 [ I or T ] to break open or apart suddenly, or to make something do this:

I hate it when balloons burst.
Suddenly the door burst open (= opened suddenly and forcefully) and police officers rushed in.
The river was threatening to burst its banks.
figurative humorous If I eat any more cake I'll burst (= I cannot eat anything else)!

C2 [ I ] to feel a strong emotion, or strong wish to do something:

I knew they were bursting with curiosity but I said nothing.
[ + to infinitive ] Tom was bursting to tell everyone the news.
UK informal I'm bursting to go to the loo!
burst into flames

C2 to suddenly burn strongly, producing a lot of flames:

Smoke started pouring out from underneath, then the truck burst into flames.

More examples

burstnoun [ C ]

uk /bɜːst/ us /bɝːst/

(Definition of “burst” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“burst” in American English

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burstverb [ I/T ]

us /bɜrst/ past tense and past participle burst

to break open or apart suddenly, or to cause something to break open or apart:

[ I ] Fireworks burst across the night sky.
[ T ] I thought I might have burst a blood vessel.

fig. A person who is bursting is extremely eager or enthusiastic:

[ I ] I was bursting with excitement.

burstnoun [ C ]

us /bɜrst/

a sudden, brief increase in something, or a short appearance of something:

With a burst of speed, the horse won easily.

(Definition of “burst” from the Cambridge Academic Content Dictionary © Cambridge University Press)