The idolizing of one's self; immoderate self-conceit.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "self-worship" in a sentence
"A kind of self-worship in goth regalia, cribbed from Rand, Nietzsche and with a sprinkling of Crowley."
"It is a type of self-worship or self-deification, but why exclude the possibility of external forces at work?"
"Thanks to Gervais' inspired – and, yes, occasionally scathing – stewardship, the Globes steered clear of the pretension and self-worship to which awards shows so often fall victim."