HyperDic: warning_signal

English > 1 sense of the expression warning signal:
NOUNcommunicationwarning signal, alarm, alert, alaruman automatic signal (usually a sound) warning of danger
English > warning signal: 1 sense > noun 1, communication
MeaningAn automatic signal (usually a sound) warning of danger.
Synonymsalarm, alert, alarum
Narrowerair alertThe warning signal that begins a period of preparation for an enemy / enemy air attack
burglar alarmA loud warning signal produced by a burglar alarm
fire alarmA shout or bell to warn that fire has broken out
foghorn, fogsignalA loud low warning signal that can be heard by fogbound ships
hornA noise made by the driver of an automobile to give warning
red flagA flag that serves as a warning signal
sirenA warning signal that is a loud wailing sound
tocsin, alarm bellThe sound of an alarm (usually a bell)
torpedoA small explosive device that is placed on a railroad track and fires when a train runs over it
Broadersignal, signaling, signAny nonverbal action or gesture that encodes a message
Spanishadvertencia, alarma, alerta
Catalanalarma, alerta

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