upheaval

noun

up·​heav·​al ˌəp-ˈhē-vəl How to pronounce upheaval (audio)
(ˌ)ə-ˈpē-
1
: the action or an instance of upheaving especially of part of the earth's crust
2
: extreme agitation or disorder : radical change
also : an instance of this

Examples of upheaval in a Sentence

The civil rights movement marked a period of social upheaval in the U.S. the emotional upheaval of divorce a period of cultural and social upheavals The island was created by an upheaval of the ocean floor. The lake was formed by geologic upheaval.
Recent Examples on the Web
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One of the major voices driving this upheaval is Arthur Laffer — the same economist who played a big part in the Prop 13 tax revolt. Stephen Moore, Boston Herald, 19 Sep. 2025 Why throw everything into upheaval when nobody needs Liquid Glass? Ewan Spence, Forbes.com, 19 Sep. 2025 This is also usually immediately following a time of upheaval due to planning, gift shopping of my own and major life changes. Judith Martin, Mercury News, 19 Sep. 2025 Modern conservatism developed its own history and internal logic, emerging not merely in opposition but alongside liberalism as a powerful response to the social and economic upheavals of the early 20th century. Allan J. Lichtman, MSNBC Newsweek, 18 Sep. 2025 See All Example Sentences for upheaval

Word History

First Known Use

1838, in the meaning defined at sense 1

Time Traveler
The first known use of upheaval was in 1838

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Cite this Entry

“Upheaval.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upheaval. Accessed 20 Sep. 2025.

Kids Definition

upheaval

noun
up·​heav·​al ˌəp-ˈhē-vəl How to pronounce upheaval (audio)
(ˌ)ə-ˈpē-
1
: the action or an instance of heaving or lifting up from beneath especially of part of the earth's crust
2
: an instance of violent disorder or change
emotional upheaval

More from Merriam-Webster on upheaval

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