warning signal
English Thesaurus
1. an automatic signal (usually a sound) warning of danger (noun.communication)
| hypernym | : | sign, signal, signaling, |
| definition | : | any nonverbal action or gesture that encodes a message (noun.communication) |
| hyponym | : | torpedo, |
| definition | : | a small explosive device that is placed on a railroad track and fires when a train runs over it; the sound of the explosion warns the engineer of danger ahead (noun.artifact) |
| hyponym | : | air alert, |
| definition | : | the warning signal that begins a period of preparation for an enemy air attack (noun.communication) |
| hyponym | : | burglar alarm, |
| definition | : | a loud warning signal produced by a burglar alarm (noun.communication) |
| hyponym | : | fire alarm, |
| definition | : | a shout or bell to warn that fire has broken out (noun.communication) |
| hyponym | : | foghorn, fogsignal, |
| definition | : | a loud low warning signal that can be heard by fogbound ships (noun.communication) |
| hyponym | : | horn, |
| definition | : | a noise made by the driver of an automobile to give warning (noun.communication) |
| hyponym | : | red flag, |
| definition | : | a flag that serves as a warning signal (noun.communication) |
| hyponym | : | siren, |
| definition | : | a warning signal that is a loud wailing sound (noun.communication) |
| hyponym | : | alarm bell, tocsin, |
| definition | : | the sound of an alarm (usually a bell) (noun.communication) |
| derivation | : | alarm, alert, |
| definition | : | warn or arouse to a sense of danger or call to a state of preparedness (verb.communication) |
| derivation | : | alarm, alert, |
| definition | : | warn or arouse to a sense of danger or call to a state of preparedness (verb.communication) |
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