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Synonyms for Airy (same or very similar meaning)

WordNet sense 1 (open to or abounding in fresh air):

WordNet sense 2 (not practical or realizable; speculative):
impractical, visionary, windy, laputan

WordNet sense 3 (of comparatively little physical weight or density):

WordNet sense 4 (characterized by lightness and insubstantiality; as impalpable or intangible as air):
aerial, ethereal, aeriform, aery, aerial

WordNet sense 5 (lacking material form or substance; unreal):
unreal, unsubstantial

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