Rupert
/ˈɹupɚt/noun, adjective
Rupert is spelled R-U-P-E-R-T: 6 letters and 2 syllables. It appears 4.1 times per million words in written English, the 12,764th most frequent word form (wordfreq, 2021 data). As a derogatory noun, Rupert means “A junior army officer” (English Wiktionary, September 2026). The plural of Rupert is Ruperts.
How many letters and syllables are in Rupert?
| Letters | 6: R-U-P-E-R-T |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 4.1 times per million words; the 12,764th 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 Rupert?
Rupert appears 4.1 times per million words in written English, the 12,764th 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 Rupert?
- US /ˈɹupɚt/
Rupert has 2 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)-Vealhurl-Rupert.wav, Wikimedia Commons (author and licence on each file's page).
Forms of Rupert
- Ruperts plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does Rupert mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
derogatoryslangA junior army officer.
adjective
- 1
Having or relating to the property of being able to pass through a copy of itself.
A concise way to express that a polyhedron is Rupert is to find two orientations Q and Q of that polyhedron so that π(Q) fits inside π(Q) […] impact the shape of π(Q) are those lying on P, so if P is locally Rupert, Q should be as well. […]
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does Rupert come from?
A German name, brought to England by Prince Rupert of the Rhine in the seventeenth century. Doublet of Robert. The geometry sense is also a reference to Prince Rupert, who posed the question of whether a cube could be passed through a hole made in another cube of the same size.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).