自信満々 じしんまんまん Also written 自信満満 Meanings な-adjective, の-adjective, たる-adjective, Adverb full of confidence; brimming with (self-)confidence; having great faith in oneself Kanji 自 self. Read as ジ. 信 trust. Read as シン. 満 full. Read as マン. Jinuma: Japanese Dictionary · Word lists