swelled head


an inordinately grand opinion of oneself; conceit.

Origin of swelled head

First recorded in 1890–95
Related formsswelled-head·ed, adjectiveswelled-head·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for swelled-headed


swell-headed or swollen-headed


informal conceited

swelled head

swollen head


informal an inflated view of one's own worth, often caused by sudden success
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012