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Definition of Warning signal
1. Noun. An automatic signal (usually a sound) warning of danger.
Exact synonyms: Alarm, Alarum, Alert
Specialized synonyms: Torpedo, Air Alert, Burglar Alarm, Fire Alarm, Foghorn, Fogsignal, Horn, Red Flag, Siren, Alarm Bell, Tocsin
Generic synonyms: Sign, Signal, Signaling
Derivative terms: Alert
Specialized synonyms: Torpedo, Air Alert, Burglar Alarm, Fire Alarm, Foghorn, Fogsignal, Horn, Red Flag, Siren, Alarm Bell, Tocsin
Generic synonyms: Sign, Signal, Signaling
Derivative terms: Alert