: 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
For more than three years, Ukrainian soldiers, conscripts and ordinary civilians have given their lives to defend their country’s borders, and Vasyanovych is speaking to Variety just days before the latest onslaught of Russian missiles on Kyiv.
—Christopher Vourlias, Variety, 6 Sep. 2025
The component responsible for this, the divertor, must withstand this incredible onslaught, making its design a critical engineering challenge for the viability of fusion power.
—Aman Tripathi, Interesting Engineering, 6 Sep. 2025
Once play resumed, the scoring onslaught slowed drastically as both defenses started to get into the backfield.
—Scott Thompson, FOXNews.com, 5 Sep. 2025
Ronan’s character, Maria, is a beleaguered primary school teacher whose life is tough enough without the relentless onslaught of bad behavior by young Danny (Eddie Waller, in his debut role).
—Kate Erbland, IndieWire, 5 Sep. 2025
See All Example Sentences for onslaught
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Christopher Vourlias, Variety, 6 Sep. 2025
The component responsible for this, the divertor, must withstand this incredible onslaught, making its design a critical engineering challenge for the viability of fusion power.
—Aman Tripathi, Interesting Engineering, 6 Sep. 2025
Once play resumed, the scoring onslaught slowed drastically as both defenses started to get into the backfield.
—Scott Thompson, FOXNews.com, 5 Sep. 2025
Ronan’s character, Maria, is a beleaguered primary school teacher whose life is tough enough without the relentless onslaught of bad behavior by young Danny (Eddie Waller, in his debut role).
—Kate Erbland, IndieWire, 5 Sep. 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 10 Sep. 2025.
Copy CitationKids Definition
onslaught
noun
on·slaught
ˈän-ˌslȯt 
ˈȯn-
: a violent attack
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