JLPT N1 Vocabulary 異論 (iron) different opinion, objection JLPT N1 Learning Done Flashcards Recall mode Meaning 異論 (いろん, iron) is a JLPT N1 vocabulary word meaning “different opinion, objection”. Kanji in this word 異 uncommon 論 argument ← Previous教材 All N1 vocabulary Next →片言