VERTIGINOUS
dizzy, giddy, woozy, vertiginous
(adjective) having or causing a whirling sensation; liable to falling; “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”
Source: WordNet® 3.1
Etymology
Adjective
vertiginous (comparative more vertiginous, superlative most vertiginous)
Having an aspect of great depth, drawing the eye to look downwards.
(pharmaceutical effect) Inducing a feeling of giddiness, vertigo, dizziness or of whirling.
Pertaining to vertigo (in all its meanings).
Revolving; rotating; rotatory.
Source: Wiktionary
Ver*tig"i*nous, a. Etym: [L. vertiginosus, fr. vertigo a whirling
around, giddiness: cf. F. vertigineux. See Vertig.]
1. Turning round; whirling; rotary; revolving; as, 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.
– Ver*tig"i*nous*ly, adv.
– Ver*tig"i*nous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition