- (formal)
dirty and therefore likely to cause disease 肮脏的，不洁净的（因而容易致病） unclean water 不清洁的水
considered to be bad, immoral or not pure in a religious way, and therefore not to be touched, eaten, etc. 邪恶的；不洁的；（宗教上所指）不洁净的 unclean thoughts 邪念 unclean food 不洁的食物
Word OriginOld English unclǣne (see un-, clean).