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

Dec 14, 2015 · 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”

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)

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

Apr 30, 2025 · But what exactly does "hi" mean, how did it originate, and how is it properly used? In this comprehensive guide, we will explore the origins, appropriate contexts, cultural …

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

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 …

hi From Longman Dictionary of Contemporary English hi /haɪ/ S1 interjection informal hello Hi! How are you? Hi there! I haven’t seen you for ages. Examples from the Corpus Hi there • Hi …