adj. Of, relating to, or having the constitution of air.adj. High in the air; lofty.adj. Open to the air: airy chambers. adj. Performed in the air; aerial.adj. Immaterial; illusory: an airy apparition. adj. Speculative, impractical, or vacuous: airy theories about socioeconomic improvement. adj. Light or delicate: an airy dress. adj. Haughty or affected: dismissed us with an airy wave of the hand. adj. Light-hearted; merry: an airy mood.