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[vey-per-uh s] /ˈveɪ pər əs/
having the form or characteristics of vapor:
a vaporous cloud.
full of or abounding in vapor; foggy; misty:
a vaporous twilight.
producing or giving off vapor:
a vaporous bog.
dimmed or obscured with vapor:
a low valley surrounded by vaporous mountains.
unsubstantial; diaphanous; airy:
vaporous fabrics; vaporous breezes.
vaguely formed, fanciful, or unreliable:
vaporous promises.
Origin of vaporous
First recorded in 1520-30; vapor + -ous
Related forms
vaporously, adverb
vaporousness, vaporosity
[vey-puh-ros-i-tee] /ˌveɪ pəˈrɒs ɪ ti/ (Show IPA),
nonvaporosity, noun
nonvaporous, adjective
nonvaporously, adverb
nonvaporousness, noun
unvaporosity, noun
unvaporous, adjective
unvaporously, adverb
unvaporousness, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for vaporous
Historical Examples
  • It is an element which has no right to this country, except in a solid or vaporous state.

    The Field of Ice Jules Verne
  • The air is close and vaporous; the domed chamber is damp and musty.

  • Under this vaporous pall, the fighting was sharp and desperate.

  • She was standing in the corridor, looking out at the vaporous English landscape.

  • How quiet it looked, and, under that vaporous veil, how profound and inscrutable!

  • Oil paintings are only permissible when dreamy and vaporous in tint.

    Social Life

    Maud C. Cooke
  • The whole world seemed to be lifted and swimming in vaporous brightness.

    Sisters Kathleen Norris
  • She seemed also to be vaporous—all but her face and her radiant golden hair.

    Pabo, The Priest Sabine Baring-Gould
  • My fear fell from me as if it had been a vaporous garment which dissolved in the warmth.

    Dracula Bram Stoker
  • How freely they coursed through him, how fluid they were, how vaporous, how easy to breathe!

    Swann's Way Marcel Proust
British Dictionary definitions for vaporous


resembling or full of vapour
another word for vaporific
lacking permanence or substance; ephemeral or fanciful
given to foolish imaginings
dulled or obscured by an atmosphere of vapour
Derived Forms
vaporously, adverb
vaporousness, vaporosity (ˌveɪpəˈrɒsɪtɪ) noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for vaporous

late 14c., from Latin vaporus, from vapor (see vapor).

Online Etymology Dictionary, © 2010 Douglas Harper
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