- Geez is defined as an exclamation you shout showing surprise or annoyance.
When you are annoyed because your friend is late for the 10th time in a row, this is an example of when you might shout "Geez!"
geez definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
geez definition by American Heritage Dictionary
Used to express mild surprise, delight, dissatisfaction, or annoyance.
Origin: Shortening and alteration of Jesus1.