From Longman Dictionary of Contemporary Englishvertiginousver‧tig‧i‧nous /vɜːˈtɪdʒɪnəs $ vɜːr-/ adjective formal HIGHso high that you feel sick and dizzy a vertiginous drop to the valley below
Examples from the Corpus
vertiginous• a vertiginous 400 foot drop• For days Kartoffel stood below it as storms flashed across the vertiginous face of ice and rubble.• There was nothing left in the world but this vertiginous wave.Origin vertiginous (1600-1700) Latin vertiginosus, from vertigo; → VERTIGO 