onslaught

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onslaught

  • /ˈɒn.slɔːt/ UK
  • /ˈɔnsloːt/ Australia, British, Southern
  • /ˈɑn.slɔt/ Northern US, US
  • /ˈɔn.slɔt/ US
  • /ˈɑn.slɑt/ US, cot caught merger
  • /ˈɔnslɔt/ Scotland
  • /ˈɒnsloːt/ New Zealand
  • [ˈɔ̟nsloːt] ~ [ˈɞ̠nsloːt] New Zealand

Where it comes from

From on- + slaught. Formed after Middle Dutch aenslag, aenslach, equivalent to aen + slag, although slaught corresponds to Middle Dutch slacht; slag is cognate with the English weaving term sley. Compare Dutch aanslag and German Anschlag.

noun onslaughts · anslaight

  1. A fierce attack.

    Similar: onrush

  2. broadly A large number of people or things resembling an attack. They opened the doors and prepared for the onslaught of holiday shoppers.

Thesaurus

Closest in meaning: onrush, onset, attack, outpouring, barrage, storming, run, attacking, impact, assault, aggression, raid, explosion, carnage, wave, killing

Translations

Every language

noun fierce attack

Españolembestida, ataque, arremetida, acometida
中文猛攻 měnggōng
Portuguêsassalto, investida
Françaisassaut, offensive
DeutschAngriff, Ansturm, Strum
Italianoassalto
Ελληνικάορμή ormí
Românăasalt, ofensivă, atac
Русскийна́тиск nátisk

noun large quantity of people or things resembling an attack

Españolavalancha
Portuguêsinvasão
Françaisassaut, invasion
Italianoinvasione
Românăasalt
Русскийнаплы́в naplýv, на́тиск nátisk

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Cite this
MLA

"onslaught." Wiktionary, via Micwyn, micwyn.com/word/onslaught. Accessed 6 Nov. 2026.

APA

onslaught. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/onslaught

Chicago

"onslaught." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/onslaught.

BibTeX
@misc{onslaught_2026,
  title = {onslaught},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/onslaught},
  urldate = {2026-11-06}
}