Modifiers matching contaminant:

• poisonous,
• coarse,
• airborne,
• harmful,
• gaseous,
• urban,
• potential,
• inorganic,
• carcinogenic,
• environmental,
• noninfectious,
• radioactive,
• additional,
• organic,
• noncombustible,
• common,
• chemical,
• synthetic,
• natural,
• familiar,
• industrial,
• outdoor,
• solid,
• insoluble,
• level,
• nonpolar,
• foreign,
• hazardous,
• local,
• reactive,
• out,
• irritating,
• opaque,
• everyday,
• polymeric,
• gross,
• lipophilic,
• salt,
• dissolved,
• small,
• hydrophobic,
• non-metallic,
• carbonaceous,
• magnetic,
• extraneous,
• oily,
• stubborn,
• anthropogenic,
• up,
• multiple,
• invisible,
• conventional,
• typical,
• tough,
• harmless,
• diverse,
• ionic,
• undesired,
• unpleasant,
• larger,
• toxic,
• deadly,
• harsh,
• important,
• regulated,
• world,
• noxious,
• residual,
• key,
• elemental,
• smaller,
• large,
• mental,
• cationic,
• mechanical,
• ordinary,
• unwanted,
• lighter,
• indoor,
• removable,
• unsightly,
• heavier,
• floating,
• minor,
• agricultural,
• soft,
• biologic,
• microbial,
• oleophilic,
• waterborne,
• fibrous,
• nasty,
• basic,
• fine,
• traditional,
• anionic,
• combustible,
• microscopic,
• finer,
• modern,
• unbound,
• meteorological,
• conservative,
• fluid,
• animal,
• greasy,
• inedible,
• abundant,
• ambient,
• slippery,
• experimental,
• intracellular,
• granular,
• separate,
• persistent,
• usual,
• nonmetallic,
• semisolid,
• moving,
• individual,
• dietary,
• domestic,
• aqueous,
• dense,
• unusual,
• energetic,
• major,
• volatile,
• visible,
• damaging,
• polar,
• unseen,
• detrimental,
• heavy,
• sticky,
• metallic,
• pure,
• hydrophilic,
• endogenous,
• alkaline,
• exogenous,
• difficult,
• undesirable,
• over,
• dermal,
• biological,
• unexpected,
• colloidal,
• size,
• physical,
• clean,
• off,
• ferromagnetic,
• excessive,
• particulate,
• incidental,
• viscous,
• unique,
• outside,
• molecular,
• critical,
• several,
• single,
• acidic,
• surrounding,
• miscellaneous,
• refractory,
• light,
• dry,
• siliceous,
• concrete,
• liquid,
• accidental,
• suspended,
• unhealthy,
• charged,
• radiological,
• ic,
• conductive,
• numerous,
• interfering,
• deleterious,
• active,
• corrosive,
• caustic,
• minute,
• hard,
• metal,
• lightweight,
• dangerous,
• loose,
• model,
• mobile,
• soluble,
• first,
• related,
• atmospheric,
• abrasive,
• passive,
• unacceptable,
• possible,
• biodegradable,
• external,
• ferrous,
• structural,
• new,
• stable,
• secondary,

Simple categories matching unpleasant:

• work,
• symptom,
• happening,
• behaviour,
• emotion,
• creature,
• state,
• treatment,
• taste,
• event,
• fate,
• nature,
• contingency,
• thing,
• incident,
• mood,
• attitude,
• problem,
• sensation,
• compound,
• flavor,
• issue,
• condition,
• specimen,
• feelings,
• fact,
• experience,
• task,
• insect,
• odor,
• contaminant,
• odour,
• change,
• eventuality,
• feeling,
• truth,
• situation,
• activity,
• job,
• flavour,
• behavior,
• procedure,
• discomfort,
• touch,
• action,
• image,
• consequence,
• complication,
• reality,
• person,
• object,
• weather,
• occurrence,
• trait,
• cognition,
• stimulus,
• substance,
• reaction,