airy

adjective

1. 1

   characterized by lightness and insubstantiality; as impalpable or intangible as air

   figures light and aeriform come unlooked for and melt away"- Thomas Carlyle

   aerial fancies

2. 2

   having little or no perceptible weight; so light as to resemble air

   airy gauze curtains

3. 3

   not practical or realizable; speculative

   airy theories about socioeconomic improvement

   visionary schemes for getting rich

4. 4

   open to or abounding in fresh air

   airy rooms