Synonyms: aerial, aeriform, aery, airy, ethereal
Definition: characterized by lightness and insubstantiality; as impalpable or intangible as air
Usage: figures light and aeriform come unlooked for and melt away- Thomas Carlyle; aerial fancies; an airy apparition; physical rather than ethereal forms
Similar words: insubstantial, unreal, unsubstantial
Definition: lacking material form or substance; unreal
Usage: as insubstantial as a dream; an insubstantial mirage on the horizon
Synonyms: airy
Definition: having little or no perceptible weight; so light as to resemble air
Usage: airy gauze curtains
Similar words: light
Definition: of comparatively little physical weight or density
Usage: a light load; magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C
Synonyms: windy, visionary, Laputan, airy, impractical
Definition: not practical or realizable; speculative
Usage: airy theories about socioeconomic improvement; visionary schemes for getting rich
Similar words: utopian
Definition: characterized by or aspiring to impracticable perfection
Usage: the dim utopian future; utopian idealists; recognized the utopian nature of his hopes
Definition: open to or abounding in fresh air
Usage: airy rooms