uncourageousWiktionary 原文/ˌʌnkəˈreɪd͡ʒəs/构词拆解unun-前缀courageouscourageous词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + courageous.释义形容词adjective1lacking courage同族词派生词 2uncourageously·uncourageousness