flaccid
adjective uk/ˈflæs.ɪd/ us/ˈflæs.ɪd/
formal松弛的；软弱的
soft or weak rather than firm
The penis is usually in a flaccid state. 阴茎通常处于松弛状态。
disapproving软弱无效的
weak and not effective
The programme included a lacklustre and flaccid performance of Berg's violin concerto. 节目包括一首由伯格演奏的死气沉沉、毫不精彩的小提琴协奏曲。