鈍 dull, slow, foolish, blunt 12 strokes jōyō, taught in secondary school old JLPT 2 #1574 in newspapers Readings Onドン Kunにぶ.い、にぶ.る、にぶ-、なま.る、なまく.ら In Chinese 钝, traditional 鈍 Words written with it 鈍化 どんか becoming dull 鈍い のろい thickheaded N2 鈍感 どんかん thickheaded N1 鈍る にぶる to become blunt N1 鈍らす にぶらす to blunt 鈍器 どんき blunt weapon 鈍 どん dull 鈍行 どんこう local train