: an especially fierce attack
… the tremendous onslaught across the Rhine …—
Winston Churchill
Winston Churchill
also
: something resembling such an attack
an onslaught of technological changes
Employers are expecting an onslaught of recent college graduates.
Synonyms of onslaught
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
Though with an onslaught of celebrities embracing electric violet and Barney purple, Kravitz is definitely onto something here.
—Hannah Jackson, Vogue, 20 Dec. 2025
After basking in dry, mild weather for several weeks, the tide is turning for California, with an onslaught of rain, snow and wind expected over Christmas week as a series of atmospheric rivers unleash a firehose of moisture on the Golden State.
—Doyle Rice, USA Today, 20 Dec. 2025
Missouri’s uneasiness Some Missouri officials involved in passing their state’s proposal, in interviews with The Star on Friday, expressed general uneasiness at the onslaught of information coming out of Kansas.
—Kacen Bayless, Kansas City Star, 19 Dec. 2025
These hormonal changes during perimenopause can cause the onslaught of several symptoms, like fatigue, anxiety, and weight gain.
—Alexa Mikhail, Flow Space, 16 Dec. 2025
See All Example Sentences for onslaught
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Hannah Jackson, Vogue, 20 Dec. 2025
After basking in dry, mild weather for several weeks, the tide is turning for California, with an onslaught of rain, snow and wind expected over Christmas week as a series of atmospheric rivers unleash a firehose of moisture on the Golden State.
—Doyle Rice, USA Today, 20 Dec. 2025
Missouri’s uneasiness Some Missouri officials involved in passing their state’s proposal, in interviews with The Star on Friday, expressed general uneasiness at the onslaught of information coming out of Kansas.
—Kacen Bayless, Kansas City Star, 19 Dec. 2025
These hormonal changes during perimenopause can cause the onslaught of several symptoms, like fatigue, anxiety, and weight gain.
—Alexa Mikhail, Flow Space, 16 Dec. 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 21 Dec. 2025.
Copy CitationKids Definition
onslaught
noun
on·slaught
ˈän-ˌslȯt 
ˈȯn-
: a violent attack
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