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hi

1
[ hahy ]
/ haɪ /
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interjection
(used as an exclamation of greeting); hello!
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Origin of hi

1
1425–75; late Middle English hy, perhaps variant of heihey

WORDS THAT MAY BE CONFUSED WITH hi

hi , hie, high

Other definitions for hi (2 of 4)

hi2
[ hahy ]
/ haɪ /

adjective
an informal, simplified spelling of high: hi fidelity.

Other definitions for hi (3 of 4)

HI

abbreviation
Hawaii (approved especially for use with zip code).
Meteorology. heat index. Also H.I.

Other definitions for hi (4 of 4)

H.I.

abbreviation
Meteorology. heat index. Also HI
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use hi in a sentence

British Dictionary definitions for hi (1 of 3)

hi1
/ (haɪ) /

sentence substitute
an informal word for hello

Word Origin for hi

C20: originally US, from hiya

British Dictionary definitions for hi (2 of 3)

hi2
/ (haɪ) /

interjection
an expression used to attract attention

Word Origin for hi

C15 hy; compare hey

British Dictionary definitions for hi (3 of 3)

HI

abbreviation for
Hawaii (state)
Hawaiian Islands
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
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