undress /ʌnˈdres/ vt. & vi. (［反］dress)脱衣服，给…脱衣服：undress oneself自己脱衣服I undressed and went to bed.我脱下衣裳去睡觉。She undressed the baby and put him in his bath.她把宝宝衣服脱下给他洗澡。