Synonyms of onslaught
: 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.
Stanton lost track, among the acronyms’ proliferating onslaught, of the chain of hook-ups. — Literary Hub, 6 Oct. 2026 Despite this online onslaught, many actors across sub-Saharan Africa are actively standing up to combat falsehoods with facts. — The Monitor's Editorial Board, Christian Science Monitor, 6 Oct. 2026 The film comes amidst an onslaught of new movies, both narrative and documentary, centered on tech personalities. — Pete Hammond, Deadline, 5 Oct. 2026 The onslaught aims to terrorize civilians, officials and analysts say, and break their will to resist Russia’s full-scale invasion since 2022. — ABC News, 5 Oct. 2026 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 Oct. 2026.

Kids Definition

onslaught

noun
: a violent attack
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