outbreak

noun

out·​break ˈau̇t-ˌbrāk How to pronounce outbreak (audio)
1
a
: a sudden or violent increase in activity or currency
the outbreak of war
b
: a sudden rise in the incidence of a disease
an outbreak of measles
c
: a sudden increase in numbers of a harmful organism and especially an insect within a particular area
an outbreak of locusts
2

Examples of outbreak in a Sentence

there was an immediate outbreak of paper shuffling and a pretense of work when the supervisor passed through the room the government quelled the outbreak with ruthless efficiency
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
An outbreak has been spreading through the South Plains region of Texas since late January, the Texas Department of State Health Services said on Friday. Isabella Kwai, New York Times, 22 Feb. 2025 The outbreak has spread to dairy cattle, with cases confirmed in 973 herds across 17 states. Mark Joseph, Newsweek, 22 Feb. 2025 The number of measles cases linked to an outbreak in western Texas has grown to 90, according to new data released on Friday. Mary Kekatos, ABC News, 21 Feb. 2025 Holler to Holler Holler to Holler is a project that was started by students and faculty of Appalachian studies at Virginia Tech in 2022 in the wake another outbreak of devastating flooding that affected 12 counties in eastern Kentucky. Rebecca Angel Baer, Southern Living, 21 Feb. 2025 See All Example Sentences for outbreak

Word History

First Known Use

1562, in the meaning defined at sense 1a

Time Traveler
The first known use of outbreak was in 1562

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Cite this Entry

“Outbreak.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/outbreak. Accessed 3 Mar. 2025.

Kids Definition

outbreak

noun
out·​break ˈau̇t-ˌbrāk How to pronounce outbreak (audio)
1
: a sudden increase in activity, use, or acceptance
the outbreak of war
2
: something (as an epidemic or revolution) that breaks out
an outbreak of measles

Medical Definition

outbreak

noun
out·​break ˈau̇t-ˌbrāk How to pronounce outbreak (audio)
1
: a sudden rise in the incidence of a disease
an outbreak of measles
2
: a sudden increase in numbers of a harmful organism and especially an insect within a particular area
an outbreak of locusts

More from Merriam-Webster on outbreak

Last Updated: - Updated example sentences
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