[meg.a.lo.ma.nia] n [NL] (ca. 1890) 1: a mania for great or grandiose performance
2: a delusional mental disorder that is marked by infantile feelings of personal omnipotence and grandeur -- meg.a.lo.ma.ni.ac adj or n -- meg.a.lo.ma.ni.a.cal also meg.a.lo.man.ic adj -- meg.a.lo.ma.ni.a.cal.ly adv