じしんまんまん 自信満々 LinksSentence search for 自信満々Sentence search for じしんまんまんSentence search for 自信満満Kanji details for 自, 信 and 満Edit in JMdict Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', 'taru' adjective, Adverb taking the 'to' particle1. full of confidence; brimming with (self-)confidence; having great faith in oneselfOther forms自信満満 【じしんまんまん】 Discussions Log in to talk about this word.