Standard Lemma guide

onrush

noun · verb · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈɒnˌɹʌʃ/
  • British, Southern, Standard: /ˈɔnˌɹʌʃ/
  • /ˈɑnˌɹʌʃ/ Northern US or with the cot–caught merger
  • Northern-US: Recorded audio is listed in the source snapshot.
  • /ˈɔnˌɹʌʃ/ Southern US, Midland US, without the cot–caught merger
  • Northern-England: /ˈɒnˌɹʊʃ/

1

noun

Meaning 1

A forceful rush or flow forward.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An aggressive assault.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To rush or flow forward forcefully.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

To assault aggressively.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

(military) an offensive against an enemy (using weapons)

Definition source: Princeton WordNet 3.0

Examples

  • the attack began at dawn

Meaning relationships

Synonyms: attack, onslaught, onset

Antonyms: none provided

Broader terms: operation, military operation

Narrower terms: ground attack, charge, banzai attack, banzai charge, diversion, diversionary attack, penetration, incursion, blitz, blitzkrieg, strike, counterattack, countermove, bombing, bombardment, fire, firing, strafe, surprise attack, coup de main

6

noun

Meaning 6

a forceful forward rush or flow

Definition source: Princeton WordNet 3.0

Examples

  • from the bow she stared at the mesmerising onrush of the sea where it split and foamed
  • the explosion interrupted the wild onrush of her thoughts

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: rush, spate, surge, upsurge

History

Etymology

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”).

Across languages

Translations

13 source translations are retained for this English entry.

  • Bulgarian: устрем (ustrem) — forceful rush
  • Finnish: ryntäys — forceful rush
  • Finnish: rynnistys — forceful rush
  • Finnish: rynnäkkö — forceful rush
  • Bulgarian: атака (ataka) — aggressive assault
  • Finnish: päällekarkaus — aggressive assault
  • Latin: ēruptiō — aggressive assault
  • Bulgarian: връхлитам (vrǎhlitam) — rush forcefully
  • Finnish: rynnätä — rush forcefully
  • Finnish: rynnistää — rush forcefully
  • Finnish: rynnäköidä — rush forcefully
  • Bulgarian: атакувам (atakuvam) — assault aggressively
  • Finnish: käydä kimppuun — assault aggressively