- Hi is defined as a standard greeting and is short for "hello."
An example of "hi" is what you say when you see someone.
hi definition by Webster's New World
Origin: Middle English hy, variant of hei, hey
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
hi definition by American Heritage Dictionary
Used to express greeting. See Regional Note at hey.
- high intensity
- humidity index