xi
French, noun/ksi/
xi is spelled X-I (2 letters) and appears 9.8 times per million words in written French, the 6,801st most frequent French word form (wordfreq, 2021 data). Xi is a French masculine noun meaning “xi (Greek letter)” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “ξ, Ξ, quatorzième lettre et dixième consonne de l’alphabet grec”.
What does xi mean in English?
noun
- 1
masculinexi (Greek letter)
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. ξ, Ξ, quatorzième lettre et dixième consonne de l’alphabet grec.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of xi
- xis plural
- ksi alternative
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce xi?
- /ksi/
- \ksi\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to xi
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is xi in French?
xi appears 9.8 times per million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).