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”.

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

Learn the definition of 'hi'. Check out the pronunciation, synonyms and grammar. Browse the use examples 'hi' in the great English corpus.

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.

(Definition of hi from the Cambridge Learner's Dictionary © Cambridge University Press)

Nov 21, 2025 · Hi, What’s Your Emergency places the burden on you to shape the conversation, transforming scattered or emotional statements into actionable data. Your questions, tone, and …