Airy
Part of speech: adjective
Definition: Consisting of air; as, an airy substance; the airy parts of bodies. Relating or belonging to air; high in air; aerial; as, an airy flight. Open to a free current of air; exposed to the air; breezy; as, an airy situation. Resembling air; thin; unsubstantial; not material; airlike. Relating to the spirit or soul; delicate; graceful; as, airy music. Without reality; having no solid foundation; empty; trifling; visionary. Light of heart; vivacious; sprightly; flippant; superficial. Having an affected manner; being in the habit of putting on airs; affectedly grand. Having the light and aerial tints true to nature.
Unsubstantial
Part of speech: adjective
Definition: Insubstantial.