American Heritage Dictionary
(5)
Century Dictionary
(4)
GNU Webster's 1913
(2)
WordNet
(3)
Elsewhere on the web
Sound is rather vaporous, mineral, crystaline, theme progresses and reaches its climax at the end.— Latest reviews @ Progarchives.com, the ultimate progressive rock music website
I'll post something here when I have something non-vaporous to post about.— eHam.net News
She is vapid, vague and vaporous - think Algore sighing.— WordPress.com News

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