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 in American English abbreviation Hawaii (approved esp. for use with zip code)

Definition of hi exclamation in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Apr 30, 2025 · Among the various ways to say hello, “Hi” is one of the most commonly used informal greetings in English. But what does “hi” really mean? When and how is it used? In this …

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

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.

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...

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