: 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
Horn was ruled out with a concussion in the middle of Stafford’s onslaught of successful passes.
—Mike Kaye
updated January 11, Charlotte Observer, 11 Jan. 2026
In total, the trail took me around five hours to descend and about seven hours to climb up, with one overnight at Phantom Ranch on the Grand Canyon floor to break up the lactic acid onslaught.
—Stephanie Vermillion, Travel + Leisure, 11 Jan. 2026
Kyiv — Russia attacked Ukraine with a hypersonic Oreshnik missile overnight Thursday, a rare use of one of its most advanced weapons during the latest onslaught targeting the country amid freezing temperatures.
—Kosta Gak, CNN Money, 9 Jan. 2026
This onslaught finally paid off with just over three minutes remaining in the opening frame after Colten Abcunas deflected a Rockets breakout pass and Ben Pachus found the loose puck and beat Brownridge below the glove to give Newton North a 1-0 lead.
—Jack Murray, Boston Herald, 8 Jan. 2026
See All Example Sentences for onslaught
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Mike Kaye
updated January 11, Charlotte Observer, 11 Jan. 2026
In total, the trail took me around five hours to descend and about seven hours to climb up, with one overnight at Phantom Ranch on the Grand Canyon floor to break up the lactic acid onslaught.
—Stephanie Vermillion, Travel + Leisure, 11 Jan. 2026
Kyiv — Russia attacked Ukraine with a hypersonic Oreshnik missile overnight Thursday, a rare use of one of its most advanced weapons during the latest onslaught targeting the country amid freezing temperatures.
—Kosta Gak, CNN Money, 9 Jan. 2026
This onslaught finally paid off with just over three minutes remaining in the opening frame after Colten Abcunas deflected a Rockets breakout pass and Ben Pachus found the loose puck and beat Brownridge below the glove to give Newton North a 1-0 lead.
—Jack Murray, Boston Herald, 8 Jan. 2026
See All Example Sentences for onslaught
Cite this Entry
“Onslaught.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onslaught. Accessed 12 Jan. 2026.
Copy CitationKids Definition
onslaught
noun
on·slaught
ˈän-ˌslȯt 
ˈȯn-
: a violent attack
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