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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
And the wives would be like, ‘Mhm, hi, nice to meet you. Liza Esquibias, PEOPLE, 8 Jan. 2026 Leah, our fantastic senior editor of politics is out this week, but Brian and Zoë are here to say hi. Lauren Goode, Wired News, 19 Dec. 2025 And, of course, the brand’s ambery-woody notes (hi, sandalwood and cedarwood) are the cherry on top. Lily Wohlner, Allure, 12 Dec. 2025 Eventually, an overeager astronomer (hi, Allan McLeod!) realizes that the signal is code for an RNA sequence. Erin Qualey, Vulture, 7 Nov. 2025 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 20 Jan. 2026.

Kids Definition

hi

interjection
used especially as a greeting

Medical Definition

HI

abbreviation
hemagglutination inhibition

More from Merriam-Webster on hi

Last Updated: - Updated example sentences
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