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Definition of swellheaded

swellheaded

/ˈswɛlˌhɛd.ɪd/
swell · head · ed
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swellheaded Lexical Profile

swellheaded Game Scores & Validity

• adjective

1

Excessively proud, conceited, or arrogant; having an exaggerated sense of one's own importance or abilities.

Example

"The young actor's sudden rise to fame made him unbearable and swellheaded on the film set."

Synonyms
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Antonyms
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• Nearby Words

sweetshop
sweetvetch
swell
swellheaded
swelling
swellshark
swelter

Word Origin & Etymology

Coined in mid-19th-century American English from the noun 'swellhead', based on the figurative notion that a person's head becomes physically swollen with pride and self-importance.

Cite this Entry

Wordmom. (2026). Definition of Swellheaded. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/swellheaded
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