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
Interjection
This technology—promoted by doctors, influencers, and celebs (hi, Lili Reinhart!)—seems to be a surefire solution for anyone wanting thicker, healthier strands. Jenny McCoy, Glamour, 29 Mar. 2024 Jessie popped their head into the bedroom to say hi and snap a pic of the sleeping baby before letting themselves out. Mackenzie Chung Fegan, Bon Appétit, 18 Mar. 2024 See all Example Sentences for hi 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hi.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near hi

Cite this Entry

“Hi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hi. Accessed 22 Apr. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!