\ˈhī(-ē) \

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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Dictionary Entries near hi

H hour

HHS

HI

hi

Hialeah

hiatal

hiatal hernia

Statistics for hi

Look-up Popularity

Time Traveler for hi

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

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More Definitions for hi

English Language Learners Definition of hi

—used as an informal way of saying “hello”

\ˈhī \

Kids Definition of hi

used especially as a greeting

Kids Definition of HI

Hawaii

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

Comments on hi

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the figure or shape of a crescent moon

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