Modifiers matching gas:

• inert,
• relativistic,
• surrounding,
• unsaturated,
• rare,
• respiratory,
• dry,
• fast,
• pure,
• combustible,
• lighter,
• absorptive,
• hot,
• noble,
• out,
• acid,
• rarefied,
• mental,
• real,
• flammable,
• major,
• invisible,
• explosive,
• hydrophobic,
• tenuous,
• key,
• stable,
• transparent,
• industrial,
• secondary,
• beneficial,
• corrosive,
• toxic,
• cryogenic,
• chemical,
• soluble,
• medical,
• carcinogenic,
• raw,
• carbonaceous,
• hazardous,
• elemental,
• valuable,
• dense,
• harmless,
• clean,
• synthetic,
• essential,
• common,
• supplemental,
• buoyant,
• conventional,
• incombustible,
• liquefied,
• diamagnetic,
• oxidative,
• familiar,
• deleterious,
• undesirable,
• paramagnetic,
• ordinary,
• diffusing,
• automotive,
• hydrophilic,
• classical,
• mixed,
• unwanted,
• anthropogenic,
• neutral,
• frozen,
• suitable,
• dilute,
• desirable,
• heated,
• oxidizable,
• inflammable,
• deadly,
• metabolic,
• dissolved,
• consumable,
• cheap,
• critical,
• radioactive,
• benign,
• moving,
• floating,
• propellant,
• electronegative,
• monatomic,
• passive,
• atmospheric,
• important,
• controlled,
• cold,
• mobile,
• monoatomic,
• ambient,
• number,
• supporting,
• nontoxic,
• minor,
• obnoxious,
• popular,
• light,
• detrimental,
• vital,
• inexpensive,
• saturated,
• liquified,
• compressible,
• heavy,
• compressed,
• conductive,
• faster,
• miscellaneous,
• extraneous,
• particular,
• auxiliary,
• external,
• divalent,
• warm,
• refrigerated,
• individual,
• poisonous,
• alkaline,
• useful,
• impure,
• noncombustible,
• lightweight,
• weak,
• supportive,
• irritating,
• warming,
• vesicant,
• electropositive,
• malign,
• manufactured,
• damaging,
• artificial,
• nonpolar,
• polar,
• basic,
• foreign,
• unique,
• protective,
• technical,
• abundant,
• scientific,
• harmful,
• atomic,
• active,
• natural,
• acidic,
• medium,
• aggressive,
• heavier,
• liquid,
• refrigerant,
• under,
• additional,
• safe,
• simple,
• luminous,
• nonflammable,
• commercial,
• model,
• molecular,
• ionic,
• supercritical,
• organic,
• reactive,
• single,
• identifiable,
• working,
• traditional,
• airborne,
• base,
• medicinal,
• special,
• dusty,
• diatomic,
• sulfurous,
• metal,
• starting,
• insoluble,
• relevant,
• injurious,
• suffocating,
• edible,
• indoor,
• malodorous,
• strong,
• incoming,
• biogenic,
• noxious,
• rich,
• volatile,
• fixed,
• available,
• expensive,
• separate,
• innocuous,
• ignitable,
• convenient,
• permanent,
• thin,
• standard,
• complex,
• residual,
• inorganic,
• small,
• unstable,
• interfering,
• environmental,
• off,
• dangerous,

Simple categories matching detrimental:

• chemical,
• outcome,
• substance,
• condition,
• matter,
• component,
• particle,
• contaminant,
• pathogen,
• gas,
• change,
• behavior,
• organism,
• species,
• material,
• microorganism,
• activity,
• agent,
• compound,
• layer,
• ingredient,
• stimulus,
• event,
• bacteria,