megalomania

n [U]form of madness in which a person has an exaggerated view of his own importance, power, etc 夸大狂; 妄自尊大: The dictator was suffering from megalomania. 那独裁者患有夸大狂.

medium-sized, medlar, medley, Medusa, meek, meekly, meekness, meerschaum, meet, meet up with, meet with, meeting, meeting-house, meeting-place, mega-, megacycle, megadeath, megahertz, megalith, megalithic, megalomaniac, megaphone, megaton, meiosis, melancholia, melancholic, melancholy, melange, melanin, meld, melee, meliorism, mellifluence, mellifluous, mellifluously, mellifluently, mellow, mellowly, mellowness, melodic, melodious,