[vey-per-uh s]


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 formsva·por·ous·ly, adverbva·por·ous·ness, va·por·os·i·ty [vey-puh-ros-i-tee] /ˌveɪ pəˈrɒs ɪ ti/, nounnon·va·por·os·i·ty, nounnon·va·por·ous, adjectivenon·va·por·ous·ly, adverbnon·va·por·ous·ness, nounun·va·por·os·i·ty, nounun·va·por·ous, adjectiveun·va·por·ous·ly, adverbun·va·por·ous·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vaporous

Historical Examples of vaporous

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 Formsvaporously, adverbvaporousness or 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

Word Origin and History for vaporous

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

Online Etymology Dictionary, © 2010 Douglas Harper