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  • chi
    chi
    noun
    the twenty-second letter of the Greek alphabet (X, χ).
  • Chi
    Chi
    noun
  • Ch'i
    Ch'i
    noun
    one of two dynasties that ruled in China a.d. 479–502 and, as the Northern Ch'i, a.d. 550–77.
Synonyms

chi

1 American  
[kahy] / kaɪ /

noun

  • chis
    plural
  1. the twenty-second letter of the Greek alphabet (X, χ).

  2. the consonant sound represented by this letter.


chi 2 American  
[chee] / tʃi /

noun

Wade-Giles.
  1. qi.


Chi 3 American  
[chahy] / tʃaɪ /

noun

  1. Chicago.


Ch'i 4 American  
[chyee] / tʃji /
(Pinyin) Qi

noun

  1. one of two dynasties that ruled in China a.d. 479–502 and, as the Northern Ch'i, a.d. 550–77.


chi 1 British  
/ kaɪ /

noun

  1. the 22nd letter of the Greek alphabet (Χ, χ), a consonant, transliterated as ch or rarely kh

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

chi 2 British  
/ tʃiː /

noun

  1. (sometimes capital) (in Oriental medicine, martial arts, etc) vital energy believed to circulate round the body in currents

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of chi1

From Greek

Origin of Chi3

By shortening


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

After we talk, she plans to do a bit of tai chi, for which she uses an app on her phone and which she wishes more people practiced.

From Los Angeles Times ● Sep. 16, 2026

But drought struck the region in the early 2020s — shrinking the streams where the chi spawn.

From Los Angeles Times ● Sep. 11, 2026

The Habematolel Pomo of Upper Lake catch and tag the chi to better understand their behavior.

From Los Angeles Times ● Sep. 11, 2026

That’s one of the guiding principles behind tai chi, a hundreds-year-old Chinese martial arts practice that today is considered a form of meditative movement.

From Los Angeles Times ● Aug. 18, 2026

They moved through t’ai chi to more ordinary exercises, such as running in place and toe touching.

From "The Ear, the Eye, and the Arm" by Nancy Farmer

"The deeper question is why the same diet has opposite consequences in two adjacent parts of the gut. That is what we are working to understand next," Chi says.

From Science Daily ● Oct. 6, 2026

Each group allegedly stole an average of four to 10 cats per night, according to a police statement in Ho Chi Minh City police department's official newspaper.

From BBC ● Oct. 5, 2026

Kimi Chi, a salesman from the central city of Taichung, had travelled through the night to be able to photograph the aircraft landing in Taitung.

From Barron's ● Oct. 2, 2026

This aspect mirrors a frightening contemporary pattern reflected in the Cornell case, in which an alleged Snapchat thread from the Chi Phi house is presented as evidence.

From Salon ● Oct. 2, 2026

Ho Chi Minh and his communist allies gained control of North Vietnam, with their capital in Hanoi.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin

Like Quemoy 's 100,000-man garrison, Cheng Ch'i is a refugee from the China mainland having fled Kiangsi province in 1949 before the conquering Red tide.

From Time Magazine Archive

China this week celebrated a memorable anniversary: San Ch'i, "Triple Seven," or the seventh day of the seventh month of the seventh year of resistance to Japan.

From Time Magazine Archive

Ching, Duke of Ch'i, had a thousand teams of horses; but the people, on his death day, found no good in him to praise.

From The Sayings Of Confucius by Leonard Arthur Lyall

Then Lu Ch’i in a firm voice answered: “I have consecrated my life to the hard labour of study, and wish to attain to the dignity of minister on this earth.”

From Myths and Legends of China by E. T. C. (Edward Theodore Chalmers) Werner

Not only Ch’i, but all the adjacent kingdoms were flooded; all sustained grievous damage except Ch’i, where the Page 207necessary precautions had been taken.

From Myths and Legends of China by E. T. C. (Edward Theodore Chalmers) Werner

I was given opportunity to present to our comparatively small public the freshly minted words, die, chis, and chim, as common gender pronouns, designed to avoid certain awkward situations frequently arising in English composition.

From Time Magazine Archive

Many of the chals and chis to be met with in “Lavengro” and “The Romany Rye” were transferred to the pages of those works from the East p. 71Anglian heaths and fairsteads. 

From George Borrow in East Anglia by William A. (William Alfred) Dutt

"Where," I asked, "are the Romany chals and the Romany chis?"

From The Man from Archangel and Other Tales of Adventure by A. Conan Doyle

This last-mentioned fact is the more striking in view of the intense admiration often felt for the handsome chis by men who were not of the gipsy race. 

From George Borrow in East Anglia by William A. (William Alfred) Dutt

How many? kwén-chis; how many people? ko-nái-ya; how many dollars? ko-nai chis ngun dolla; how much money have you? ko-nai te chin dolla.

From Alphabetical Vocabularies of the Clallum and Lummi by George Gibbs

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