- The definition of stuck up is someone who is snobbish and thinks and acts like he is better or superior to everyone else.
An example of stuck up is a girl who always wears fancy clothes and who looks down on people who wear plain clothes.
stuck-up 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.
Informal snobbish; conceited
stuck-up definition by American Heritage Dictionary