Definition of dizzy

• superl. - Having in the head a sensation of whirling, with a tendency to fall; vertiginous; giddy; hence, confused; indistinct.
• superl. - Causing, or tending to cause, giddiness or vertigo.
• superl. - Without distinct thought; unreflecting; thoughtless; heedless.
• v. t. - To make dizzy or giddy; to give the vertigo to; to confuse.