airiest
air-i-est
adjective
Having the most fresh air or best ventilation.
"This room is the airiest in the house."
adjective
Most light, delicate, or insubstantial in appearance.
"Her meringue was the airiest I've ever tasted."
Thesaurus
Synonyms: airy, light, aery, unreal, aeriform, unsubstantial, aerial, ethereal, insubstantial, aired, ventilated, visionary