a. [ Compar. Dizzier superl. Dizziest. ] [ OE. dusi, disi, desi, foolish, AS. dysig; akin to LG. düsig dizzy, OD. deuzig, duyzig, OHG. tusig foolish, OFries. dusia to be dizzy; LG. dusel dizziness, duselig, dusselig, D. duizelig, dizzy, Dan. dösig drowsy, slepy, döse to make dull, drowsy, dös dullness, drowsiness, and to AS. dw&aemacr_;s foolish, G. thor fool. √71. Cf. Daze, Doze. ] 1. Having in the head a sensation of whirling, with a tendency to fall; vertiginous; giddy; hence, confused; indistinct. [ 1913 Webster ]
Alas! his brain was dizzy. Drayton. [ 1913 Webster ]
2. Causing, or tending to cause, giddiness or vertigo. [ 1913 Webster ]
To climb from the brink of Fleet Ditch by a dizzy ladder. Macaulay. [ 1913 Webster ]
3. Without distinct thought; unreflecting; thoughtless; heedless. “The dizzy multitude.” Milton. [ 1913 Webster ]