Modifiers matching disturbance:

• functional,
• annoying,
• future,
• natural,
• emotional,
• routine,
• external,
• mental,
• powerful,
• physiological,
• constitutional,
• behavioral,
• world,
• internal,
• possible,
• big,
• psychiatric,
• abundant,
• retinal,
• ocular,
• undersea,
• sufficient,
• out,
• physical,
• psychosomatic,
• reversible,
• concurrent,
• normal,
• artificial,
• neurologic,
• major,
• solar,
• lesser,
• logical,
• social,
• temporary,
• seasonal,
• visual,
• biochemical,
• geometric,
• global,
• sudden,
• agricultural,
• ecological,
• tropical,
• mechanical,
• civil,
• static,
• profound,
• recent,
• painful,
• psychotic,
• current,
• motor,
• cerebral,
• large,
• rare,
• severe,
• industrial,
• larger,
• subtle,
• animal,
• unexpected,
• anthropogenic,
• organic,
• digestive,
• discrete,
• abstract,
• dramatic,
• planetary,
• regular,
• primary,
• under,
• electric,
• repressed,
• impulsive,
• spatial,
• marine,
• unforeseen,
• episodic,
• climatic,
• preexisting,
• unforeseeable,
• significant,
• regional,
• neurotic,
• magnetic,
• neurological,
• linear,
• nonliving,
• relevant,
• seismic,
• local,
• neuropsychiatric,
• climactic,
• nocturnal,
• outside,
• distressing,
• neuropsychological,
• strong,
• terrestrial,
• random,
• audible,
• surgical,
• autonomic,
• general,
• unusual,
• heavy,
• additional,
• predictable,
• weather,
• serious,
• intense,
• lasting,
• nervous,
• minor,
• political,
• exogenous,
• psychic,
• catastrophic,
• common,
• underlying,
• cyclonic,
• ordinary,
• massive,
• unplanned,
• unwanted,
• systemic,
• infrequent,
• worldwide,
• acute,
• environmental,
• unnatural,
• dynamic,
• sensitive,
• macroeconomic,
• biogenic,
• nearby,
• affective,
• periodic,
• acoustic,
• changing,
• menstrual,
• chronic,
• underwater,
• metabolic,
• historical,
• meteorological,
• outer,
• complex,
• related,
• behavioural,
• petty,
• fluid,
• hard,
• perceptual,
• neural,
• permanent,
• stochastic,
• extreme,
• cognitive,
• hydraulic,
• diverse,
• sensory,
• hemodynamic,
• concomitant,
• biological,
• transient,
• electrical,
• past,
• induced,
• widespread,
• public,
• atmospheric,
• small,
• monetary,
• discontinuous,
• nutritional,
• localized,
• psychological,
• cardiovascular,
• dangerous,
• unpredictable,
• simple,
• violent,
• single,
• abrupt,
• destructive,

Simple categories matching unpredictable:

• situation,
• signal,
• shock,
• hazard,
• event,
• break,
• illness,
• occurrence,
• process,
• behaviour,
• accident,
• force,
• disaster,
• disease,
• disturbance,
• catastrophe,
• risk,
• system,
• cause,
• condition,
• action,
• episode,
• noise,
• thing,
• current,
• fluctuation,
• change,
• circumstances,
• sound,
• disruption,
• problem,
• motion,
• danger,
• weather,
• incident,
• upheaval,
• object,
• blessing,
• disorder,
• misfortune,
• contingency,
• phenomenon,
• storm,
• elements,
• domain,