: an especially fierce attack
the tremendous onslaught across the Rhine—
Sir Winston Churchill
Sir 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
The new onslaught comes after a bit of a break from last week’s sweltering spate of weather, and Mayor Adams issued a new warning.
—Theresa Braine, New York Daily News, 28 July 2025
That Israel’s onslaught on Gaza, not much more than an hour down the coastal highways, was still raging, the body count among Palestinians rising by the dozens nearly every day, seemed not to dampen the mood, either.
—David Remnick, New Yorker, 28 July 2025
Les Rouge-et-Bleu started its onslaught with a 4-0 trouncing of Atletico in its tournament opener before coming back down to earth in a 1-0 loss to Botafogo.
—Michael Lewis, Forbes.com, 12 July 2025
The onslaught of armed drones, cruise missiles and ballistic missiles raining down on Ukrainian towns and cities has underscored Russia’s determination to press on with its war against Ukraine despite President Donald Trump’s efforts to halt the bloodshed.
—Ryan Balberman, NBC news, 11 July 2025
See All Example Sentences for onslaught
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Theresa Braine, New York Daily News, 28 July 2025
That Israel’s onslaught on Gaza, not much more than an hour down the coastal highways, was still raging, the body count among Palestinians rising by the dozens nearly every day, seemed not to dampen the mood, either.
—David Remnick, New Yorker, 28 July 2025
Les Rouge-et-Bleu started its onslaught with a 4-0 trouncing of Atletico in its tournament opener before coming back down to earth in a 1-0 loss to Botafogo.
—Michael Lewis, Forbes.com, 12 July 2025
The onslaught of armed drones, cruise missiles and ballistic missiles raining down on Ukrainian towns and cities has underscored Russia’s determination to press on with its war against Ukraine despite President Donald Trump’s efforts to halt the bloodshed.
—Ryan Balberman, NBC news, 11 July 2025
See All Example Sentences for onslaught
Cite this Entry
“Onslaught.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onslaught. Accessed 5 Aug. 2025.
Copy CitationKids Definition
onslaught
noun
on·slaught
ˈän-ˌslȯt 
ˈȯn-
: a violent attack
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