病，疾病
1. illness (usu. excluding minor ailments, e.g. common cold), disease, sickness
noun (common) (futsuumeishi)
2. bad habit, bad behaviour, weakness, failing
noun (common) (futsuumeishi)
3. crazy, insane, disturbed, sick in the head
nouns which may take the genitive case particle 'no'
colloquial