break out
Britishverb
-
(intr, adverb) to begin or arise suddenly
panic broke out
-
(intr, adverb) to make an escape, esp from prison or confinement
-
(of the skin) to erupt (in a rash, pimples, etc)
-
(tr, adverb) to launch or introduce (a new product)
-
(tr, adverb) to open and start using
break out the champagne
noun
-
an escape, esp from prison or confinement
-
-
a great success, esp following relatively disappointing performance
-
( as modifier )
a breakout year
-
-
Develop suddenly and forcefully. For example, A fire broke out last night , or He broke out in a sweat . [ a.d. 1000]
-
Be affected with a skin eruption, such as a rash or boils, as in A teenager's face often breaks out in pimples . [c. 1300]
-
Prepare something for consumption, action, or use, as in Let's break out the champagne , or It's such a fine day—let's break out the fishing rods . [Early 1800s]
-
break out of . Force out by breaking; also, escape from confinement. For example, The hurricane broke the glass out of all the windows , or He broke out of prison but was soon apprehended . [Early 1600s]
-
Isolate a portion of a body of data, as in Please break out the sales figures from the quarterly report . [Mid-1900s]
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
This week, some real-world AI models actually did break out of OpenAI’s lab, only it was more like “Ferris Bueller’s Day Off.”
From The Wall Street Journal ● Jul. 26, 2026
"These models understood that OpenAI did not want them to break out of their sandbox and hack another company," he continued, "but they did it anyway."
From Barron's ● Jul. 24, 2026
Microsoft’s stock is destined to break out, according to Bernstein analyst Mark Moerdler.
From MarketWatch ● Jul. 22, 2026
Stronger winds would also allow any fires that do break out to spread more rapidly and become harder to contain.
From BBC ● Jul. 12, 2026
And I imagined here I was poised at the perfect doorway to break out of the prison of my father’s book.
From "100 Sideways Miles" by Andrew Smith
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.