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hi1

[hahy]
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interjection
  1. (used as an exclamation of greeting); hello!
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Origin of hi1

1425–75; late Middle English hy, perhaps variant of hei hey
Can be confusedhi hie high

hi2

[hahy]
adjective
  1. an informal, simplified spelling of high: hi fidelity.
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HI

  1. Hawaii (approved especially for use with zip code).
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H.I.

  1. Hawaiian Islands.
  2. Meteorology. heat index.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hi

Contemporary Examples

Historical Examples

  • As he approached the recumbent figure he yelled a panted "Hi, there!"

    The Woman-Haters

    Joseph C. Lincoln

  • "Hi, you—what's your name—Jennie Lind—come in here," he hailed.

    Mary-'Gusta

    Joseph C. Lincoln

  • It was clearly my duty to call his attention to it; so I said, "Hi!"

  • "Hi, Stella," said Mabel, up on one elbow and looking fuzzily at me.

  • Truth is, sir, Hi wanted to ask Miss Wallace what she would like for dinner.

    The Pirate of Panama

    William MacLeod Raine


British Dictionary definitions for hi

hi1

sentence substitute
  1. an informal word for hello
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Word Origin

C20: originally US, from hiya

hi2

interjection
  1. an expression used to attract attention
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Word Origin

C15 hy; compare hey

HI

abbreviation for
  1. Hawaii (state)
  2. Hawaiian Islands
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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

Word Origin and History for hi

greeting, 1862, American English (first recorded reference is to speech of a Kansas Indian), originally to attract attention (15c.), probably a variant of Middle English hy, hey (late 15c.) also an exclamation to call attention. Extended form hiya attested from 1940.

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Online Etymology Dictionary, © 2010 Douglas Harper