vertiginous
Concise Oxford English Dictionary © 2008 Oxford University Press:
vertiginous /vəːˈtɪdʒɪnəs/
▶adjective extremely high or steep.
■ relating to or affected by vertigo.
– derivatives
vertiginously adverb.
vertiginously adverb.
'vertiginous' also found in these Oxford entries:

