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”.

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.

Ben was about to try him at home, say hi to Ophelia and find out where he might be.

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.

The Britannica Dictionary hi 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 — …

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

Hi is a common greeting, more casual than "hello." When you walk down the street in a small town, it might seem like everyone you pass says "hi."

HI meaning: 1. used as an informal greeting, usually to people who you know: 2. written abbreviation for the…. Learn more.