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ENGLISH · A WORD WITH POSSIBILITIES

onrush.

A forceful rush or flow forward.

6 characters2 syllables approx.English language

Meaning & usage

noun/ˈɒnˌɹʌʃ/Received-Pronunciation/ˈɔnˌɹʌʃ/British, Southern, Standard/ˈɑnˌɹʌʃ//ˈɔnˌɹʌʃ/
  1. A forceful rush or flow forward.

  2. An aggressive assault.

Where this word comes from

From on- + rush. Compare Middle English onresen (“to rush upon; attack”), from Old English onrǣsan (“to rush, rush on”); Old English onrǣs (“an onrush, assault, attack”).

verb/ˈɒnˌɹʌʃ/Received-Pronunciation/ˈɔnˌɹʌʃ/British, Southern, Standard/ˈɑnˌɹʌʃ//ˈɔnˌɹʌʃ/
  1. To rush or flow forward forcefully.

  2. To assault aggressively.

Where this word comes from

From on- + rush. Compare Middle English onresen (“to rush upon; attack”), from Old English onrǣsan (“to rush, rush on”); Old English onrǣs (“an onrush, assault, attack”).

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.