signals
Flashing turn warnings
Signals are signs, gestures, or transmissions that convey information or prompt action.
A traffic signal controls intersection flow.
A signal from a coach tells the batter to bunt.
Radio signals carry broadcasts.
To signal is to communicate through such means: She signaled the waiter for the check.
Figuratively, actions signal intentions: The announcement signals a shift in policy.
Transmitted communication
- transmitTo send onward
- broadcastTransmitted media signal
- semaphoreFlag-based signaling system
- telegraphElectrical message system
radio · gesture · wave · nod · wink · handshake · flag · smoke
Alert about danger
- alarmUrgent warning signal
- sirenWailing alert device
- emergencySerious sudden danger
- distressSevere anxiety or suffering
beacon · flashing · horn · bell · whistle · caution · hazard · evacuation
Behavior-altering bodily secretion
- hormoneBody's chemical messenger
- neurotransmitterSynaptic chemical messenger
- receptorSignal-receiving molecule
- stimulusWhat prompts a reaction
response · reflex · cue · trigger · biomarker · symptom · fever · inflammation
message
Transmitted communication
telegraph · radio · gesture · wave · nod · wink · handshake · flag · smoke · cipher
warning
Alert about danger
distress · beacon · flashing · horn · bell · whistle · caution · hazard · evacuation · SOS
pheromone
Behavior-altering bodily secretion
- hormoneBody's chemical messenger
- neurotransmitterSynaptic chemical messenger
- receptorSignal-receiving molecule
stimulus · response · reflex · cue · trigger · biomarker · symptom · fever · inflammation · pulse
gauge
Standard of measurement
display · dashboard · LED · blinker · stoplight · buoy · lighthouse · flare · telltale · arrow
cue
Trigger for action
subtext · innuendo · implication · tell · microexpression · posture · proximity · mirroring · vibe · energy
- internetinternet, websites, web, browsers, web browsers
- military termsarmy, navy, air force, marines, soldier
- telecommunicationscell phone, cellphone, cellular network, telephone calls, antennas
- cluesclue, clues, hint, hints, cue
- housetrainingpotty training, toilet training, housebreaking, housebroken, house-trained
- traffic termsrush hour, traffic flow, traffic signs, congestion, peak hours
signalsnoise
Unwanted auditory disturbance
static · interference · white noise · distortion · garble
signalsnoise
Unwanted auditory disturbance
background noise · interference · ambient noise · artifacts · static
- turn signalVehicle direction alert
- mixed signalsContradictory indications from someone
- smoke signalsFlame-based distant messaging
- busy signalTelephonic rejection sound
- traffic signalIntersection light system
- hand signalsCommunication through arm movements
signal, signature, signaling, signalled, signaled, signalling, signalize, signally, signaler