underpass
noun
underpass is spelled U-N-D-E-R-P-A-S-S: 9 letters and 3 syllables. It appears about once in every 3 million words in written English, the 49,368th most frequent word form (wordfreq, 2021 data). As a noun, underpass means “A passage, especially for pedestrians, that crosses underneath a road, railroad or obstacle” (English Wiktionary, September 2026). The plural of underpass is underpasses.
How many letters and syllables are in underpass?
| Letters | 9: U-N-D-E-R-P-A-S-S |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 3 million words; the 49,368th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is underpass?
Underpass appears about once in every 3 million words in written English, the 49,368th 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 underpass?
- US
Underpass has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-underpass.wav, Wikimedia Commons (author and licence on each file's page).
Forms of underpass
- underpasses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does underpass mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A passage, especially for pedestrians, that crosses underneath a road, railroad or obstacle.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Underpass in Spanish, French, German and Portuguese
In the sense passage:
| Language | Words |
|---|---|
| French | passage souterrain, souterrain |
| German | Unterführung |
| Portuguese | passagem subterrânea |
| Spanish | paso inferior |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.