Vaporousness is the quality or state of being vaporous, meaning something that is ethereal, evanescent, or insubstantial. Synonyms for vaporousness include airy, light, delicate, gossamer, and wispy. It can also be described as ghostly, ethereal, or spectral, suggestive of ghosts or spirits. Additional synonyms include ephemeral, fleeting, transitory, and elusive, indicating something that is fleeting or temporary. Vaporousness can also be characterized as evanescent, phantasmagorical, or otherworldly, making reference to its dream-like quality. It is a unique word that has synonyms to describe its varying shades of meaning, which have their own connotations.