vertiginous
1. [ adjective ] having or causing a whirling sensation; liable to falling
Synonyms: dizzy woozy giddy
Examples:

"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"

Related terms: ill
Similar spelling:   verdigris