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onslaught

noun

on·​slaught ˈän-ˌslȯt How to pronounce onslaught (audio)
ˈȯn-
Synonyms of onslaughtnext
: an especially fierce attack
… the tremendous onslaught across the Rhine …Winston Churchill
also : something resembling such an attack
an onslaught of technological changes
Employers are expecting an onslaught of recent college graduates.

Examples of onslaught in a Sentence

an onslaught by the enemy the massive onslaught of enemy troops caught the country by surprise
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 onslaught of violence ensued after the paramilitary Rapid Support Forces took control of the Sudanese city of El Fasher in Darfur following a monthslong siege. Brady Knox, The Washington Examiner, 5 Dec. 2025 The Ukrainian army, backed by Western weapons, has managed to not only resist the onslaught, but also counterattack. Yuliya Talmazan, NBC news, 2 Dec. 2025 Thus, the slow, deliberate pacing of Undersight served as a direct rejoinder to the vertiginous scale and scope of the current political onslaught. Gayatri Gopinath, Artforum, 1 Dec. 2025 After months of inundating residents with an onslaught of TV, radio and online ads, companies like DraftKings, FanDuel, Fanatics and BetMGM began accepting wagers inside state lines. Kacen Bayless, Kansas City Star, 1 Dec. 2025 See All Example Sentences for onslaught

Word History

Etymology

modification of Dutch aanslag act of striking; akin to Old English an on and to Old English slēan to strike — more at slay

First Known Use

circa 1625, in the meaning defined above

Time Traveler
The first known use of onslaught was circa 1625

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Cite this Entry

“Onslaught.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onslaught. Accessed 9 Dec. 2025.

Kids Definition

onslaught

noun
on·​slaught ˈän-ˌslȯt How to pronounce onslaught (audio)
ˈȯn-
: a violent attack

More from Merriam-Webster on onslaught

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