なのだ it is assuredly that ... #15,341 Meanings なのだ · なんだ auxiliary it is assuredly that ...; can say with confidence that ... Kansai-ben, after the -nai stem of a verb did not ... In sentences Furigana 金欠きんけつなんだ。 I'm broke. #179688 文無もんなしなんだ。 I'm broke. #83652 大好物だいこうぶつなんだ。 They're my favorite. #137568 これはなんだ? What's this? #347294 なんだそりゃ? What's that? #10908939 なんでなんだ? Why? #10979887 なんだてめえ。 What's up with you? #11001447 同おなじ寮りょうなんだ。 We all live in the same dorm. #12422814