Modifiers matching signal:

• cellular,
• physical,
• analog,
• fixed,
• audible,
• broadband,
• distinct,
• negative,
• natural,
• acoustic,
• secondary,
• sensory,
• underlying,
• communicative,
• visual,
• abstract,
• electric,
• behavioural,
• regular,
• typical,
• meaningful,
• electrical,
• attractive,
• complex,
• physiological,
• large,
• critical,
• resonant,
• biological,
• global,
• clinical,
• developmental,
• moving,
• systemic,
• insignificant,
• complicated,
• simple,
• seasonal,
• outside,
• realistic,
• ancillary,
• specialized,
• mechanical,
• size,
• dynamic,
• private,
• diverse,
• identifiable,
• verbal,
• real,
• alert,
• vital,
• everyday,
• intermittent,
• typographical,
• related,
• clear,
• behavioral,
• remote,
• interactive,
• common,
• pitched,
• driving,
• transient,
• light,
• small,
• visible,
• continuous,
• respiratory,
• actual,
• digital,
• additional,
• primary,
• vocal,
• strong,
• level,
• static,
• nonrandom,
• logical,
• telegraphic,
• interfering,
• molecular,
• electromechanical,
• tonal,
• graphical,
• undesired,
• periodic,
• external,
• detectable,
• stationary,
• perceivable,
• wideband,
• cultural,
• difficult,
• high,
• original,
• abnormal,
• social,
• familiar,
• unintentional,
• over,
• traditional,
• important,
• multiple,
• sensorial,
• costly,
• structured,
• symbolic,
• chemical,
• elementary,
• pedestrian,
• stereo,
• unwanted,
• endogenous,
• binary,
• peripheral,
• electronic,
• harmonic,
• diagnostic,
• unique,
• off,
• audiovisual,
• nonverbal,
• intracellular,
• physiologic,
• discrete,
• primitive,
• unpredictable,
• intermediate,
• technical,
• electromagnetic,
• perceptible,
• single,
• weather,
• significant,
• informative,
• larger,
• local,
• out,
• relevant,
• metabolic,
• standard,
• plastic,
• positive,
• localized,
• extracellular,
• environmental,
• extra,
• accidental,
• exogenous,
• seismic,
• pyrotechnic,
• linguistic,
• hemodynamic,
• weak,
• linear,
• stray,
• special,
• biomedical,
• directional,
• ambient,
• intrinsic,
• basic,
• demographic,
• accessible,
• measurable,
• male,
• extraneous,
• defined,
• percussive,
• objective,
• practical,
• white,
• rhythmic,
• auxiliary,
• repetitive,
• neural,
• chaotic,
• internal,
• normal,
• financial,
• functional,
• specified,
• noisy,
• subtle,
• random,
• useful,
• rapid,
• slow,
• world,
• medical,
• auditory,
• individual,
• false,
• loud,
• temporal,
• graphic,
• atomic,
• heterogeneous,
• fast,
• ionic,
• informational,
• mental,
• erroneous,
• incoming,
• sexual,

Simple categories matching useful:

• item,
• object,
• labor,
• function,
• text,
• artifact,
• antidepressant,
• dog,
• thing,
• category,
• information,
• fixture,
• record,
• plant,
• framework,
• article,
• structure,
• metal,
• room,
• semiconductor,
• byproduct,
• animal,
• gadget,
• evidence,
• relic,
• facility,
• prize,
• place,
• material,
• index,
• organism,
• agent,
• illustration,
• legume,
• macromolecule,
• activity,
• tool,
• palm,
• tube,
• area,
• derivative,
• bacteria,
• view,
• indicator,
• toiletry,
• polyhedron,
• theme,
• science,
• help,
• profession,
• quantity,
• surface,
• count,
• outbuilding,
• fuel,
• info,
• resource,
• form,
• value,
• lexis,
• button,
• table,
• instruction,
• bird,
• piece,
• insect,
• prefab,
• tissue,
• concept,
• rock,
• perennial,
• antioxidant,
• amenities,
• treatment,
• extra,
• utensil,
• creature,
• abstraction,
• trade,
• page,
• stuff,
• system,
• artefact,
• entity,
• particle,
• gear,
• equipment,
• service,
• situation,
• protein,
• movement,
• predator,
• ability,
• class,
• machinery,
• solid,
• theory,
• elements,
• amount,
• furniture,
• match,
• message,
• deliverable,
• quality,
• salt,
• invention,
• character,
• details,
• location,
• institution,
• layer,
• signal,
• book,
• variation,
• shop,
• garment,
• microorganism,
• utility,
• feature,
• publication,
• behavior,
• credential,
• occupation,
• food,
• touch,
• anticonvulsant,
• solute,
• format,
• catalyst,
• composition,
• lipid,
• property,
• address,
• pharmaceutical,
• example,
• vehicle,
• necessity,
• mineral,
• component,
• plane,
• purpose,
• organisation,
• database,
• trait,
• clothes,
• peripheral,
• microbe,
• application,
• behaviour,
• data,
• action,
• support,
• appliance,
• knowledge,
• reminder,
• section,
• work,
• shape,
• nutrient,
• tree,
• molecule,
• grass,
• protocol,
• craft,
• model,
• unit,
• mode,
• acid,
• vocation,
• output,
• technique,
• supply,
• residue,
• program,
• job,
• control,
• sensor,
• identifier,
• measure,
• transformation,
• fibre,
• routine,
• guidance,
• end,
• assets,
• skill,
• point,
• graph,
• device,
• widget,
• arrangement,
• characteristic,
• weapon,
• enterprise,
• passion,
• software,
• links,
• tip,
• product,
• container,
• event,
• polymer,
• process,
• accessory,
• fluid,
• agreement,
• position,
• antibiotic,
• symbol,
• card,
• alloy,
• group,
• practice,
• substrate,
• result,
• remedy,
• part,
• vocabulary,
• steroid,
• content,
• venture,
• library,
• deposit,
• species,
• course,
• subject,
• life,
• compound,
• mechanism,
• metabolite,
• gas,
• drug,
• plastic,
• task,
• hydrocarbon,
• language,
• ornament,
• protection,
• trifle,
• needle,
• larva,
• substance,
• calculation,
• topic,
• organ,
• chemical,
• machine,
• energy,
• phenomenon,
• handicraft,
• implement,
• emotion,
• document,
• business,
• constituent,
• attribute,
• instrument,
• fraction,
• phytochemical,
• pot,
• intermediate,
• operations,
• ware,
• construction,
• report,
• sound,
• regulation,
• building,
• project,
• improvement,
• commodity,
• provisions,
• arts,
• option,
• notion,
• herb,