THESAURUS
gaslike
aerial, aerodynamic, aerostatic, aery, airy, ethereal, fuming, fumy, gaseous, gasified, gasiform, gassy, mephitic, miasmal, miasmatic, miasmic, oxyacetylene, oxygenous, ozonic, pneumatic, reeking, reeky, smoking, smoky, steaming, steamy, vaporing, vaporish, vaporlike, vaporous, vapory