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”.

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 everyday greeting.

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

'Hi, Liz,' she said shyly. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

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

6 ENTRIES FOUND: hi (interjection) HI (abbreviation) hi–fi (noun) hi–tech high–tech (adjective) high tech (noun) hi / ˈ haɪ/ interjection Britannica Dictionary definition of HI — used as an informal way of …

When you greet someone, you have a lot of words to choose from, including "hey," "hello," "hiya," and "howdy," but hi is probably the most common. The first mention of hi attributes it to a Kansas native …