Found 2 items, similar to megalomania.
English → English (WordNet) Definition: megalomania megalomania n : a psychological state characterized by delusions of grandeur
English → English (gcide) Definition: Megalomania Megalomania \Meg`a*lo*ma"ni*a\, n. [NL., fr. megalo- + mania.] (Pathol.) A form of mental alienation in which the patient has grandiose delusions. [1913 Webster]