Modifiers matching sound:

• instrumental,
• loud,
• complicated,
• nonverbal,
• natural,
• environmental,
• stationary,
• therapeutic,
• musical,
• exotic,
• constant,
• quiet,
• mechanical,
• regional,
• unusual,
• sharp,
• physiological,
• small,
• audible,
• abstract,
• impulsive,
• simple,
• frightening,
• valuable,
• percussive,
• acoustic,
• everyday,
• synthetic,
• complex,
• clear,
• sudden,
• normal,
• subtle,
• anthropogenic,
• electrical,
• extraneous,
• wrong,
• periodic,
• gentle,
• regular,
• tonal,
• false,
• basic,
• significant,
• repetitive,
• alert,
• concrete,
• random,
• modern,
• distinct,
• organic,
• broadband,
• outside,
• familiar,
• pure,
• mental,
• soft,
• weather,
• atmospheric,
• operational,
• realistic,
• strange,
• analog,
• up,
• vital,
• non-musical,
• dynamic,
• exterior,
• linguistic,
• vocal,
• unformed,
• outdoor,
• continuous,
• external,
• indoor,
• defined,
• metaphorical,
• large,
• fast,
• typical,
• unpredictable,
• conventional,
• airborne,
• artificial,
• essential,
• peripheral,
• symbolic,
• midi,
• annoying,
• ordinary,
• unwanted,
• useful,
• heavy,
• magical,
• domestic,
• extra,
• positive,
• locomotive,
• classical,
• unique,
• related,
• acceptable,
• new,
• good,
• weaker,
• original,
• contemporary,
• distant,
• powerful,
• violent,
• nonmusical,
• cardiovascular,
• neutral,
• noisy,
• actual,
• world,
• pleasant,
• interactive,
• creepy,
• organized,
• quick,
• structured,
• ceremonial,
• harmonic,
• individual,
• biological,
• internal,
• odd,
• interesting,
• short,
• rhythmic,
• nonlinguistic,
• linear,
• additional,
• traditional,
• desirable,
• accidental,
• ambient,
• pleasurable,
• common,
• important,
• animal,
• unexplainable,
• physiologic,
• unexpected,
• transient,
• bronchial,
• geological,
• interfering,
• dry,
• meaningful,
• miscellaneous,
• melodic,
• relevant,
• abnormal,
• interior,
• real,
• industrial,
• respiratory,
• metallic,
• auxiliary,
• diverse,
• electronic,

Simple categories matching anthropogenic:

• material,
• activity,
• cause,
• disturbance,
• intervention,
• gas,
• process,
• event,
• change,
• chemical,
• structure,
• interference,
• substance,
• entity,
• threat,
• phenomenon,
• metal,
• compound,
• surface,
• substrate,
• influence,
• practice,
• sound,
• source,
• disaster,
• corridor,
• halocarbon,
• modification,
• perturbation,
• pollutant,
• contaminant,
• action,
• feature,