joylessWiktionary 原文中文来自 ECDICTadj.不高兴的，不快乐的构词拆分joy词根/词干+-less后缀Lacking (something); without (something). Added usually to a noun to form an adjective signifying a lack of that noun.词源说明From joy + -less.释义（英文）形容词 AdjectiveWithout joy; unhappy, sad.词族派生词（2）joylesslyjoylessness