てんしんらんまん 天真爛漫 LinksSentence search for 天真爛漫Sentence search for てんしんらんまんKanji details for 天, 真, 爛 and 漫Edit in JMdict Na-adjective (keiyodoshi), Noun1. innocent; naive; artless; unaffected; genuine; childlikeYojijukugo (four character compound) Discussions Log in to talk about this word.