undesignedWiktionary 原文构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+designed词根/词干词源说明From un- + designed.释义（英文）形容词 AdjectiveNot designed, not intended.Not designed, not drawn or planned before being made.词族派生词（2）undesignednessundesignedly