こだいもうそう 誇大妄想 LinksSentence search for 誇大妄想Sentence search for こだいもうそうKanji details for 誇, 大, 妄 and 想Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. megalomania; delusions of grandeurYojijukugo (four character compound) Discussions Log in to talk about this word.