What is Grandiosity?
Grandiosity definition and meaning on Dictionary terms:
affectedly grand or important; pompous: grandiose words.
more complicated or elaborate than necessary; overblown: a grandiose scheme.
grand in an imposing or impressive way.
Psychiatry. having an exaggerated belief in one’s importance, sometimes reaching delusional proportions, and occurring as a common symptom of mental illnesses, as manic disorder.