hi

1 of 2

interjection

ˈhī(-ē) 

—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

Their short film hi mom premiered in competition at the 2026 Palm Springs ShortFest. — Matt Grobar, Deadline, 27 Oct. 2026

Indeed, she might be getting asked about it all the time at the gym and could very well welcome the opportunity to just say hi and keep moving. — R. Eric Thomas, Chicago Tribune, 20 Sep. 2026

Or be like my mom (hi Mom) and buy one for the garlic lover in your life. — Rebecca Firkser, Bon Appetit Magazine, 21 Aug. 2026

People say ‘hi’ to you on the sidewalk, shop owners have regulars, especially in the downtown area. — Jenna Ebbers, Kansas City Star, 20 Aug. 2026

Word History

Etymology

Interjection

Middle English hy

First Known Use

Interjection

15th century, in the meaning defined above

Phrases Containing hi

• hi-def
• hi-fi
• hi-hat
• hi-tech
• say hi to

Rhymes for hi

• ai
• aye
• bae
• bi
• buy
• by
• bye
• chai
• chi
• cry
• die
• dry

Kids Definition

hi

interjection

ˈhī(-ē) 

—used especially as a greeting

Medical Definition

HI

abbreviation

hemagglutination inhibition