難病 なんびょう serious disease #7,228 Meanings noun, medicine serious disease; intractable disease; difficult-to-recover-from illness Its kanji 難 ナン · かた.い、-がた.い、むずか.しい、むづか.しい、むつか.しい、-にく.い difficult, impossible, trouble, accident, defect 病 ビョウ、ヘイ · や.む、-や.み、やまい ill, sick