Meaning : Not practical or realizable. Speculative.
Example :
Airy theories about socioeconomic improvement.
Visionary schemes for getting rich.
Synonyms : impractical, laputan, visionary, windy
Meaning : Having little or no perceptible weight. So light as to resemble air.
Example :
Airy gauze curtains.
Airy meaning in Bengali (Bangla).