a hindrance or obstruction in doing something 妨碍,阻碍,障碍物 a serious impediment to scientific progress. 科学进步的严重阻碍。 ■(亦作 speech impediment)a defect in a person's speech, such as a lisp or stammer 语言障碍(如咬舌、口吃)
派生 impedimental adjective 语源
late Middle English: from Latin impedimentum, from impedire (see impede)