noun (1)
\ ˈkī How to pronounce chi (audio) , ˈkē How to pronounce chi (audio) \

Definition of chi

 (Entry 1 of 2)

: the 22nd letter of the Greek alphabet — see Alphabet Table


noun (2), often capitalized
\ ˈchē How to pronounce chi (audio) \
variants: or ch'i or less commonly

Definition of chi (Entry 2 of 2)

: vital energy that is held to animate the body internally and is of central importance in some Eastern systems of medical treatment (such as acupuncture) and of exercise or self-defense (such as tai chi)

Synonyms for chi

Synonyms: Noun (2)

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First Known Use of chi

Noun (1)

15th century, in the meaning defined above

Noun (2)

1850, in the meaning defined above

History and Etymology for chi

Noun (1)

Greek chei, chi

Noun (2)

Chinese (Beijing) , literally, air, breath

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Time Traveler for chi

Time Traveler

The first known use of chi was in the 15th century

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Cite this Entry

“Chi.” Dictionary, Merriam-Webster, Accessed 25 Jun. 2021.

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