adj. & v.
--adj. (giddier, giddiest)
1. having a sensation of whirling and a tendency to fall, stagger, or spin round.
2 a overexcited as a result of success, pleasurable emotion, etc.; mentally intoxicated. b excitable, frivolous.
3 tending to make one giddy.
--v.tr. & intr. (-ies, -ied) make or become giddy.
Derivatives:
giddily adv. giddiness n.
Etymology: OE gidig insane, lit. 'possessed by a god'