swellheaded


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swell·head

 (swĕl′hĕd′)
n. Informal
A person regarded as arrogant or conceited.

swell′head′ed adj.
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swellheaded

adjective
Informal. Thinking too highly of oneself:
Informal: bigheaded, stuck-up.
References in periodicals archive ?
Asher doesn't get swellheaded about the attention, though.
Bato, an ordinary police official before he was appointed to the top PNP post, has become swellheaded.
China has become swellheaded because the US has obligations to it that add up to $13 billion," she said.