Modifiers matching shade:

• neutral,
• light,
• lighter,
• base,
• pastel,
• portable,
• vibrant,
• diverse,
• cool,
• dark,
• darker,
• bright,
• soft,
• decorative,
• warm,
• basic,
• red,
• protective,
• artificial,
• metallic,
• unnatural,
• temporary,
• unusual,
• abnormal,
• unwanted,
• pale,
• dense,

Simple categories matching unwanted:

• grub,
• deposit,
• emotion,
• pest,
• item,
• view,
• pollutant,
• molecule,
• organism,
• software,
• structure,
• material,
• appliance,
• situation,
• variable,
• variation,
• energy,
• animal,
• gas,
• souvenir,
• disturbance,
• sediment,
• fungus,
• content,
• ingredient,
• substance,
• odor,
• papers,
• feeder,
• insect,
• response,
• folder,
• process,
• container,
• space,
• liquid,
• coating,
• component,
• metal,
• extra,
• protein,
• behavior,
• inhabitant,
• area,
• residue,
• piece,
• smell,
• ion,
• mammal,
• solute,
• light,
• code,
• bacteria,
• symptom,
• herbivore,
• noise,
• tree,
• fluid,
• emission,
• debris,
• branch,
• larva,
• child,
• input,
• yeast,
• particle,
• behaviour,
• infection,
• comment,
• layer,
• medium,
• surface,
• target,
• program,
• body,
• artefact,
• intermediate,
• object,
• intruder,
• advertisement,
• solicitation,
• signal,
• happening,
• sound,
• illumination,
• feature,
• microbe,
• communication,
• vermin,
• elements,
• matter,
• waste,
• document,
• impurity,
• email,
• equipment,
• message,
• user,
• instrument,
• bird,
• thought,
• spam,
• effect,
• advert,
• caller,
• creature,
• trace,
• bedfellow,
• place,
• friend,
• action,
• reaction,
• portion,
• reptile,
• substrate,
• adulterant,
• plant,
• furniture,
• treasure,
• file,
• grass,
• entrant,
• article,
• shade,
• stuff,
• soil,
• contamination,
• chemical,
• information,
• compound,
• part,
• acceleration,
• person,
• critter,
• volatile,
• literature,
• conduct,
• consequence,
• incident,
• activity,
• movement,
• artifact,
• phenomenon,
• hair,
• species,
• stain,
• fabric,
• entity,
• motion,
• mineral,
• vegetation,
• scavenger,
• constituent,
• event,
• microorganism,
• people,
• particulate,
• hardwood,
• byproduct,
• nuisance,
• pesticide,
• parasite,
• panel,
• nonsense,
• odour,
• effluent,
• filler,
• blemish,
• agent,
• change,
• germ,
• textile,
• pet,
• game,
• tissue,
• rodent,
• contaminant,
• predator,
• fuel,
• interference,
• medication,
• thing,
• intrusion,
• occurrence,
• trait,
• solid,
• state,
• acid,
• mail,
• cell,
• atom,
• fish,
• growth,
• condition,