swell head swellhead • swell-headed · · · Info · Definitions · Synonyms · Characters · · swell head · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) a conceited and self-centered person. Synonyms: egotist, egoist, swellhead. · · Noun Definition 1 Synonyms · · · egotist · · Synonym 1 egoist · · Synonym 2 swellhead · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C s latin small letter s U+0073 w latin small letter w U+0077