Adjective:

1. having or causing a whirling sensation; liable to falling;

   "had a dizzy spell"
   "a dizzy pinnacle"
   "had a headache and felt giddy"
   "a giddy precipice"
   "feeling woozy from the blow on his head"
   "a vertiginous climb up the face of the cliff"
   

dizzyadj.晕眩的；(速度)极快的；困惑的vt.使晕眩；使困惑

highadj.高的；高尚的；高级的；高度的；全盛的adv.高；奢侈地；音调高n.高水平；高气压；（麻醉品带来的）快感

dizzyingadj.令人眩晕的；令人迷惑的；极快的；极高的动词dizzy的现在分词

talladj.高的

loftyadj.高的；崇高的；高尚的；傲慢的

exposedadj.暴露的；无掩蔽的动词expose的过去式和过去分词.

openadj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开

woozyadj.糊里糊涂的；头昏的

giddyadj.眼花的；头晕的；轻率的；轻浮的v.(使)眼花

1. From the top of the mountain there was a vertiginous drop to the valley below.
   从山顶向谷底望去令人眩晕。