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.

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...

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.

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

Mar 17, 2026 · Learning "How do I say ‘Hello’ in English?" for both formal and informal English conversations will help you feel confident in making connections.

+ only works on the next key pressed (Excluding other modifiers, like Ctrl, Alt, S ft, or WinKey). +hi would make "Hi", while {ShiftDown} hi {ShiftUp} would make "HI".