Vertiginously
The Century Dictionary and Cyclopedia
In a vertiginous manner; with a whirling or giddiness.
Wiktionary, Creative Commons Attribution/Share-Alike License
adverb.
In a
vertiginous
manner.
Word Usage
"Vogue outrageously declares that these "vertiginously high heels" possess a "highly wearable, walkable sensibility.""