A vertiginous cliff or mountain is very high and steep.
例句
...vertiginous cliffs that rise out of the Baltic.波罗的海周边耸立的悬崖峭壁
英汉词典释义
adj.
头晕的,引起头晕的
in vertiginous space在令人眩晕的空间里
英英词典释义
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"