used especially as a greeting
just called to say hi

HI

2 of 2

abbreviation

1
Hawaii
2
high intensity
3
humidity index

Examples of hi in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Interjection
These specs mean the DAC can handle compressed audio streams as well as lossless hi-res files. Mark Sparrow, Forbes.com, 30 June 2026 And don’t forget to stop by and say hi at The Atlanta Journal-Constitution’s booth at the expo. AJC.com, 29 June 2026 Speaking of season-long slumps, hi Mookie! Assistant Sports Editor, Los Angeles Times, 26 June 2026 The only player that came to say hi was Noah Allen and everyone else goes straight to the locker room. Miami Herald, 8 June 2026 See All Example Sentences for hi

Word History

Etymology

Interjection

Middle English hy

First Known Use

Interjection

15th century, in the meaning defined above

Time Traveler
The first known use of hi was in the 15th century

Browse Nearby Words

Cite this Entry

“Hi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hi. Accessed 2 Jul. 2026.

Kids Definition

hi

interjection
used especially as a greeting

Medical Definition

HI

abbreviation
hemagglutination inhibition

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