onrush
/ˈɒnˌɹʌʃ/noun, verb
onrush is spelled O-N-R-U-S-H: 6 letters and 2 syllables. It appears about once in every 28 million words in written English, the 159,707th most frequent word form (wordfreq, 2021 data). As a noun, onrush means “A forceful rush or flow forward” (English Wiktionary, September 2026). The plural of onrush is onrushes.
How many letters and syllables are in onrush?
| Letters | 6: O-N-R-U-S-H |
|---|---|
| Syllables | 2 (from its pronunciation) |
| In writing | about once in every 28 million words; the 159,707th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is onrush?
Onrush appears about once in every 28 million words in written English, the 159,707th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce onrush?
- UK /ˈɒnˌɹʌʃ/
- British /ˈɔnˌɹʌʃ/
- /ˈɑnˌɹʌʃ/
Onrush has 2 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-onrush.wav, Wikimedia Commons (author and licence on each file's page).
Forms of onrush
- onrushes plural, present, singular, he/she/it
- onrushing participle, present
- onrushed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does onrush mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A forceful rush or flow forward.
- 2
An aggressive assault.
verb
- 1
To rush or flow forward forcefully.
- 2
To assault aggressively.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does onrush come 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”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).