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.
Informal snobbish; conceited
(comparative more stuck-up, superlative most stuck-up)
- Alternative spelling of stuck up.
(comparative more stuck up, superlative most stuck up)
- simple past tense and past participle of stick up