HI definition: 1. used as an informal greeting, usually to people who you know: 2. written abbreviation for the…. Learn more.

The meaning of HI is —used especially as a greeting. How to use hi in a sentence.

A friendly, informal, casual greeting said when meeting someone. Hi, how are you? I just dropped by to say “hi”.

HI definition: (used as an exclamation of greeting) hello! See examples of hi used in a sentence.

In Lists: Top 2000 English words, Spoken greetings, Things you say when someone gets home, more... Collocations: say a quick hi (to), [waved, nodded] to say hi, stop [to, and] say hi, more...

Ben was about to try him at home, say hi to Ophelia and find out where he might be.

Oct 1, 2023 · What is the meaning and origin of the word “hi”? Learn how this word has been used to greet and express interest in others.

hi (haɪ) sentence substitute an informal word for hello [C20: originally US, from hiya]

Jan 25, 2026 · Interjection hi A friendly, informal, casual greeting said upon someone's arrival. Synonyms: hello, greetings, howdy Hi, how are you? I just dropped by to say “hi”.

It is also a joke, a subversion of the term hi -fi (from 'high fidelity', meaning the faithful reproduction of the original sound), and an attitude that you don't need to have access to the latest or most expensive …