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.

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

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

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...