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• xi
  xi

  noun

  the 14th letter of the Greek alphabet (Ξ, ξ).
• Xi
  Xi

  noun

  a river in S China, rising in Yunnan province and flowing east to the Canton delta on the South China Sea: the main river system of S China. Length: about 1900 km (1200 miles)

xi

American  

[zahy, sahy, ksee] / zaɪ, saɪ, ksi /

noun

plural

xis

1. the 14th letter of the Greek alphabet (Ξ, ξ).

2. the group of consonant sounds represented by this letter.

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Xi ¹ British  

/ ʃiː /

noun

1. a river in S China, rising in Yunnan province and flowing east to the Canton delta on the South China Sea: the main river system of S China. Length: about 1900 km (1200 miles)

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xi ² British  

/ ksaɪ, saɪ, ksiː, zaɪ /

noun

1. the 14th letter in the Greek alphabet (Ξ, ξ), a composite consonant, transliterated as x

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Example Sentences

On the other side of defence, Manchester City's Nico O'Reilly and Newcastle's Lewis Hall are widely regarded as frontrunners for the left-back position in Tuchel's starting XI.

From BBC • May 8, 2026

The role will include being consulted on the final XI for a Test or white-ball internationals, selection of senior and Lions squads, liaising with counties and leading the team of scouts.

From BBC • May 6, 2026

Fundraising for the EQT XI is also progressing with strong momentum, it said, with a first close expected around mid year.

From The Wall Street Journal • Apr. 22, 2026

Another thing that makes me believe they will get over the line is Pep Guardiola seems to have found a settled XI, which is very unlike him.

From BBC • Apr. 19, 2026

XI Darlene cut her picture out of the paper and put it on the kitchen table.

From "A Confederacy of Dunces" by John Kennedy Toole