Webster's Revised Unabridged Dictionary · 1913

Vertiginous

Vertiginous , adjective

[Latin vertiginosus, from vertigo a whirling around, giddiness: compare French vertigineux. See Vertigo.]

1.
Turning round; whirling; rotary; revolving; as, a vertiginous motion.
Some vertiginous whirl of fortune. — De Quincey
2.
Affected with vertigo; giddy; dizzy.
They [the angels] grew vertiginous, and fell from the battlements of heaven. — Jer. Taylor