adjective
- having an excessively high opinion of oneself; conceited or arrogant
Usage: informal
Examples
- He became bigheaded after winning the championship.
- Don’t get bigheaded just because you got one good grade.
- She’s so bigheaded that she never listens to advice.
- The success made him bigheaded and difficult to work with.
- Try not to be bigheaded about your accomplishments.
- His bigheaded attitude annoyed his teammates.