Modifiers matching signal:

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

Simple categories matching fast:

• metal,
• food,
• machine,
• industry,
• object,
• ship,
• action,
• loop,
• vehicle,
• game,
• vessel,
• cat,
• particle,
• prey,
• quarry,
• fish,
• predator,
• creature,
• carnivore,
• sensor,
• critter,
• meal,
• river,
• boat,
• hound,
• change,
• component,
• entity,
• problem,
• transport,
• subject,
• motion,
• process,
• fire,
• animal,
• sport,
• movement,
• memory,
• device,
• data,
• bug,
• shark,
• activity,
• block,
• fare,
• item,
• phenomenon,
• move,
• picture,
• storm,
• insect,
• craft,
• reaction,
• fixing,
• system,
• medium,
• motorcycle,
• sound,
• assistance,
• storage,
• structure,
• event,
• delivery,
• mammal,
• projectile,
• bird,
• gas,
• signal,
• equipment,
• thing,
• activation,
• conveyance,
• weapon,
• bus,
• means,
• car,