烂 Traditional (Taiwan): 爛 On the HSK 5 vocabulary list, at CEFR level C1. làn ㄌㄢˋ soft mushy well-cooked and soft to rot to decompose rotten worn out chaotic messy utterly thoroughly crappy bad Words with 烂 Ending with 烂 灿烂 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT