Simple Definition of breakout

from our Learner's Dictionary

breakout

1 of 2

noun

plural breakouts
: an escape from a prison, jail, etc.
used especially to describe an escape by a group of prisoners
Police report that three people were killed during an attempted breakout (from the prison).
a prison breakout

breakout

2 of 2

adjective

always used before a noun
US : having, causing, or marked by sudden and great success that comes usually after a time without much success
The company had a breakout year last year, tripling its profits from the previous year.
an actor's breakout role [=the role that makes an actor famous and successful]

Cite this Entry

“Breakout.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/breakout. Accessed 18 Jun. 2026.

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