noun
1.
a. : bighead 1a
b. : bighead 1c
2. : an exaggerated opinion of oneself : self-conceit
risk the chance of your getting a swelled head and tell you what I think of your efforts — A.H.Gibbs
• swelled-headed ˈ ̷ ̷| ̷ ̷ ̷ ̷ adjective
• swelled-head·ed·ness noun -es