vapourousness vapourous • vapour pressure · · · Info · Definitions · Synonyms · Characters · · vapourousness · · Text Latin · · Script 13 · · Length 4 · · Syllables Definitions · · · (noun) cloudiness resulting from haze or mist or vapor. Synonyms: haziness, mistiness, steaminess, vaporousness. · · Noun Definition 1 Synonyms · · · haziness · · Synonym 1 mistiness · · Synonym 2 steaminess · · Synonym 3 vaporousness · · Synonym 4 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 v latin small letter v U+0076