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

Definition of hi

 (Entry 1 of 2)

used especially as a greeting just 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

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

Interjection

15th century, in the meaning defined above

History and Etymology for hi

Interjection

Middle English hy

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More Definitions for hi

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

Hawaii

Medical Definition of HI

hemagglutination inhibition

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