The Collaborative International Dictionary of English v.0.48:
Idiolatry \Id`i*ol"a*try\, n. [Idio- + Gr. ? to worship.] Self-worship; excessive self-esteem. [1913 Webster]WordNet (r) 3.0 (2006):
idiolatry n 1: the worship of yourself [syn: idiolatry, autolatry, self-worship]