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 meaning: used as an informal way of saying “hello”

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

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

Jul 9, 2025 · Discover the full meaning of "hi," its surprising etymology, and common uses. This entry covers definitions, examples, and phrases, offering a comprehensive look at this …

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.

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

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...