swim·my \ˈswimē, -mi\adjective (-er/-est) Etymology:swim (I) + -y 1.: verging on, causing, or affected by dizziness or giddiness : tending toward vertigo < swimmy with the local cider — Clemence Dane > 2.of vision: blurred, unsteady < had red patches on his cheeks and his eyes were swimmy — Greville Texidor >