\ ˈhī(-ē) How to pronounce hi (audio) \

Definition of hi

 (Entry 1 of 2)

used especially as a greetingjust called to say hi

Definition of HI (Entry 2 of 2)

1 Hawaii
2 high intensity
3 humidity index

Examples of hi in a Sentence

Recent Examples on the Web: Interjection Rebecca Kimball, the club’s head juniors coach, started hosting Zoom practices, with everyone calling in and saying hi before a group workout. Ethan Sears, The Indianapolis Star, "How Indy rowing club won national titles in a rower's garage," 20 June 2020 The super-wide leg, the monotone wash, the awkward length...hi, Dad. Kate Bennett, CNN, "Obama's jeans game gets strong(er)," 28 June 2017 There’s always someone on the main road who says 'hi' to me. Amy Diluna, NBC News, "Womentum lets anyone donate to female entrepreneurs around the world," 16 June 2017 On top of that, some of our celebrity pals will be dropping by to say hi. The Editors Of Gq, GQ, "Sunday Just Got Funner, Thanks to GQ’s New Snapchat Channel," 30 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hi.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hi


15th century, in the meaning defined above

History and Etymology for hi


Middle English hy

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Time Traveler for hi

Time Traveler

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

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Statistics for hi

Last Updated

3 Jul 2020

Cite this Entry

“Hi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hi. Accessed 14 Jul. 2020.

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More Definitions for hi

How to pronounce HI (audio)

English Language Learners Definition of hi

used as an informal way of saying "hello"
\ ˈhī How to pronounce hi (audio) \

Kids Definition of hi

used especially as a greeting

Kids Definition of HI


Medical Definition of HI

hemagglutination inhibition

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More from Merriam-Webster on hi

Rhyming Dictionary: Words that rhyme with hi

Spanish Central: Translation of hi

Nglish: Translation of hi for Spanish Speakers

Britannica English: Translation of hi for Arabic Speakers

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