feeling unable to stand steadily, for example because you are looking down from a high place or because you are ill:
The heat and the champagne made him feel dizzy.
She started to suffer from dizzy spells (=a short period when you feel dizzy).
Ruth felt dizzy with relief.
an important position - used humorously:
Naomi had reached the dizzy heights of manageress.
stupid and forgetful:
a dizzy blonde
very busy and exciting:
Hong Kong buzzes from dawn to dusk at a dizzy pace.
—dizziness noun [uncountable]
headaches, dizziness, and vomiting