swellhead

[swel-hed]

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noun

a vain or arrogant person.

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Origin of swellhead

An Americanism dating back to 1835–45; swell + head

Related formsswell·head·ed, adjectiveswell·head·ed·ness, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018