1. (

• aeriform ,
• aerial ,
• airy ,
• aery ,
• ethereal

) 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"; "an airy apparition"; "physical rather than ethereal forms" ;

2. (

• ethereal

) of or containing or dissolved in ether; "ethereal solution" ;

3. (

• celestial ,
• ethereal ,
• supernal

) of heaven or the spirit; "celestial peace"; "ethereal melodies"; "the supernal happiness of a quiet death" ;

4. (

• ethereal ,
• gossamer

) characterized by unusual lightness and delicacy; "this smallest and most ethereal of birds"; "gossamer shading through his playing" ;