Modifiers matching stimulus:

• external,
• electrical,
• stressful,
• rewarding,
• temporal,
• noxious,
• artificial,
• mental,
• transient,
• sensory,
• familiar,
• cytotoxic,
• internal,
• diverse,
• distinct,
• harmful,
• painful,
• environmental,
• adverse,
• extracellular,
• physiologic,
• mechanical,
• physiological,
• individual,
• pictorial,
• supplemental,
• exogenous,
• real,
• visual,
• stimulating,
• chemical,
• major,
• aversive,
• detrimental,
• biological,
• ambient,
• auditory,
• local,
• maternal,
• distressing,
• positive,
• pathological,
• strong,
• innocuous,
• psychic,
• inflammatory,
• emotional,
• peripheral,
• neutral,
• abnormal,
• noninfectious,
• special,
• nonspecific,
• extraneous,
• complex,
• unpleasant,
• multiple,
• identifiable,
• natural,
• prolonged,
• cellular,
• light,
• chronic,
• negative,
• damaging,
• standard,
• instructional,
• physical,
• pathologic,
• subjective,
• subtle,
• organizational,
• social,
• intense,
• rhythmic,
• monotonous,
• simple,
• old,
• outside,
• constant,

Simple categories matching intense:

• activity,
• emotion,
• heat,
• concept,
• fear,
• sport,
• hazard,
• energy,
• storm,
• weather,
• reaction,
• state,
• facility,
• training,
• feeling,
• recreation,
• aroma,
• rainstorm,
• program,
• season,
• dancing,
• disturbance,
• discomfort,
• event,
• behavior,
• process,
• appliance,
• exercising,
• sweetener,
• occupation,
• symptom,
• light,
• stimulus,
• sector,
• condition,
• sensation,
• phenomenon,
• destabilization,
• use,
• passion,
• relationship,
• beam,
• excitement,
• work,
• fire,
• situation,
• distress,
• love,
• game,
• change,
• stimulation,
• movement,
• radiation,
• flash,
• conflict,
• effort,
• disposition,
• form,
• focus,
• period,
• headache,
• cyclone,
• pain,
• experience,
• windstorm,
• burst,
• exercise,