unimpressiveWiktionary 原文英美adj.不惹人注意的，给人印象不深的中文释义来自 ECDICT构词拆解unun-前缀impressiveimpressive词干un-(added to adjectives or past participles) not · (added to nouns) lack of词源说明From un- + impressive.释义形容词adjective1Lacking the ability to impress, inability to produce an impression.同族词派生词 2unimpressively·unimpressiveness