unthinkingWiktionary 原文中文来自 ECDICTadj.欠考虑的，不留心的，无思考能力的构词拆分un-前缀(added to adjectives or past participles) not · (added to nouns) lack of+thinking词根/词干词源说明From un- + thinking.释义（英文）形容词 AdjectiveWithout proper thought; thoughtless.Showing no regard; careless or unconcerned.动词 Verbpresent participle and gerund of unthink词族派生词（2）unthinkinglyunthinkingness