鈍化 どんか becoming dull #9,036 Meanings noun, takes する, intransitive becoming dull; slowing down Its kanji 鈍 ドン · にぶ.い、にぶ.る、にぶ-、なま.る、なまく.ら dull, slow, foolish, blunt 化 カ、ケ · ば.ける、ば.かす、ふ.ける、け.する change, take the form of, influence, enchant, delude, -ization