irrelevantWiktionary 原文中文来自 ECDICTadj.不恰当的，无关系的，不相干的构词拆分ir-前缀Used for expressing negation; not+relevant词根/词干词源说明From ir- + relevant.释义（英文）形容词 AdjectiveNot relevant, as:(slang, derogatory) No longer famous or popular; washed up.词族派生词（4）irrelephantirrelevancyirrelevanceirrelevantly