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View synonyms for hi

hi

1

[ hahy ]

interjection

  1. (used as an exclamation of greeting) hello!


hi

2

[ hahy ]

adjective

  1. an informal, simplified spelling of high:

    hi fidelity.

HI

3

abbreviation for

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

H.I.

4

abbreviation for

  1. Meteorology. heat index. Also HI

hi

1

/ haɪ /

interjection

  1. an expression used to attract attention
“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

hi

2

/ haɪ /

sentence substitute

  1. an informal word for hello
“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

HI

3

abbreviation for

  1. Hawaii (state)
  2. 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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Word History and Origins

Origin of hi1

First recorded in 1425–75; late Middle English hy, perhaps variant of hei hey
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Word History and Origins

Origin of hi1

C15 hy; compare hey

Origin of hi2

C20: originally US, from hiya

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