adj. (airier, airiest)
1. well-ventilated, breezy.
2 flippant, superficial.
3 a light as air. b graceful, delicate.
4 insubstantial, ethereal, immaterial.
Phrases and idioms:
airy-fairy colloq. unrealistic, impractical, foolishly idealistic.
Derivatives:
airily adv. airiness n.