Synonyms of introvert

1 Syllable
shier, shyer, shy, shyest
2 Syllables
upend, loners, egoist, loner, evert, invert, brooder, autist
3 Syllables
upending, anomic, inverting, everting, egotist, upturning, narcissist, wallflower, transplace, inversed
4 Syllables
solitary, self-observer
5 Syllables
uneffusive