superegoist

superegoist

(ˌsuːpərˈiːɡəʊɪst; ˌsuːpərˈɛɡəʊɪst)
n
an exceptionally selfish or self-centred person; someone who is very self-important
adj
exceptionally selfish or self-centred; self-important
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014