alert
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) |
2. a warning serves to make you more alert to danger (noun.communication)
| hypernym | : | warning, |
| definition | : | a message informing of danger (noun.communication) |
| instance hyponym | : | eas, emergency alert system, |
| definition | : | a federal warning system that is activated by FEMA; enables the President to take over the United States airwaves to warn the whole country of major catastrophic events (noun.communication) |
3. condition of heightened watchfulness or preparation for action (noun.state)
| hypernym | : | preparation, preparedness, readiness, |
| definition | : | the state of having been made ready or prepared for use or action (especially military action) (noun.state) |
| hyponym | : | air alert, |
| definition | : | the condition in which combat aircraft are airborne and ready for an operation (noun.state) |
| hyponym | : | red alert, |
| definition | : | the highest level of alert when an attack by the enemy seems imminent (or more generally a state of alert resulting from imminent danger) (noun.state) |
| hyponym | : | strip alert, |
| definition | : | a state of readiness for domestic defense aircraft (noun.state) |
4. warn or arouse to a sense of danger or call to a state of preparedness (verb.communication)
| hypernym | : | warn, |
| definition | : | notify of danger, potential harm, or risk (verb.communication) |
| hyponym | : | wake, |
| definition | : | make aware of (verb.communication) |
5. engaged in or accustomed to close observation (adj.all)
| similar | : | fly, |
| definition | : | (British informal) not to be deceived or hoodwinked (adj.all) |
| also | : | wary, |
| definition | : | marked by keen caution and watchful prudence (adj.all) |
| also | : | awake, |
| definition | : | not in a state of sleep; completely conscious (adj.all) |
| also | : | lively, |
| definition | : | full of life and energy (adj.all) |
6. mentally perceptive and responsive (adj.all)
| similar | : | aware, cognisant, cognizant, |
| definition | : | (sometimes followed by `of') having or showing knowledge or understanding or realization or perception (adj.all) |
7. quick and energetic (adj.all)
| similar | : | energetic, |
| definition | : | possessing or exerting or displaying energy (adj.all) |
8. an automatic signal (usually a sound) warning of danger (noun.communication)
| derivation | : | alarm, alert, alarm, alert, alarm, alert, |
| definition | : | warn or arouse to a sense of danger or call to a state of preparedness (verb.communication) |
9. condition of heightened watchfulness or preparation for action (noun.state)
| derivation | : | alert, watchful, |
| definition | : | engaged in or accustomed to close observation (adj.all) |
10. warn or arouse to a sense of danger or call to a state of preparedness (verb.communication)
| derivation | : | alert, alerting, |
| definition | : | a warning serves to make you more alert to danger (noun.communication) |
| derivation | : | alert, qui vive, |
| definition | : | condition of heightened watchfulness or preparation for action (noun.state) |
11. engaged in or accustomed to close observation (adj.all)
| derivation | : | alert, qui vive, |
| definition | : | condition of heightened watchfulness or preparation for action (noun.state) |
12. mentally perceptive and responsive (adj.all)
13. quick and energetic (adj.all)
14. an automatic signal (usually a sound) warning of danger (noun.communication)
| derivation | : | alarm, alert, alarm, alert, alarm, alert, |
| definition | : | warn or arouse to a sense of danger or call to a state of preparedness (verb.communication) |
15. condition of heightened watchfulness or preparation for action (noun.state)
| derivation | : | alert, watchful, |
| definition | : | engaged in or accustomed to close observation (adj.all) |
16. warn or arouse to a sense of danger or call to a state of preparedness (verb.communication)
| derivation | : | alert, alerting, |
| definition | : | a warning serves to make you more alert to danger (noun.communication) |
| derivation | : | alert, qui vive, |
| definition | : | condition of heightened watchfulness or preparation for action (noun.state) |
17. engaged in or accustomed to close observation (adj.all)
| derivation | : | alert, qui vive, |
| definition | : | condition of heightened watchfulness or preparation for action (noun.state) |
18. mentally perceptive and responsive (adj.all)
19. quick and energetic (adj.all)
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