Modifiers matching stimulation:

• sensory,
• antigenic,
• mechanical,
• sexual,
• emotional,
• mental,
• intense,
• sympathetic,
• active,
• internal,
• auditory,
• intellectual,
• chronic,
• aversive,
• noxious,
• outside,
• regular,
• environmental,
• external,
• physical,
• light,
• electrical,

Simple categories matching noxious:

• sensation,
• animal,
• substance,
• energy,
• establishment,
• particle,
• event,
• weeds,
• contaminant,
• organism,
• insect,
• drug,
• agent,
• gas,
• germ,
• fumes,
• odor,
• element,
• carbide,
• macromolecule,
• symptom,
• use,
• consequence,
• salt,
• plant,
• compound,
• stimulation,
• effluent,
• chemical,
• metabolite,
• material,
• metal,
• residue,
• facility,
• beast,
• bird,
• creature,
• solvent,
• fauna,
• microorganism,
• rodent,
• component,
• action,
• constituent,
• pest,
• nature,
• scavenger,
• fluid,
• condition,
• industry,
• stimulus,