English adjective: alert | |||
1. | alert engaged in or accustomed to close observation | ||
Samples | Caught by a couple of alert cops. Alert enough to spot the opportunity when it came. Constantly alert and vigilant, like a sentinel on duty. | ||
Synonyms | watchful | ||
Similar | argus-eyed, fly, heads-up, lidless, open-eyed, sleepless, vigilant, wakeful, wide-awake | ||
See also | awake, lively, wary | ||
Antonyms | unalert, unvigilant, unwatchful | ||
2. | alert quick and energetic | ||
Samples | A brisk walk in the park. A lively gait. A merry chase. Traveling at a rattling rate. A snappy pace. A spanking breeze. | ||
Synonyms | brisk, lively, merry, rattling, snappy, spanking, zippy | ||
Similar | energetic | ||
Antonyms | lethargic, unenrgetic | ||
3. | alert mentally perceptive and responsive | ||
Samples | An alert mind. Alert to the problems. Alive to what is going on. Awake to the dangers of her situation. Was now awake to the reality of his predicament. | ||
Synonyms | alive, awake | ||
Similar | aware, cognisant, cognizant | ||
Antonyms | incognizant, unaware | ||
English noun: alert | |||
1. | alert (state) condition of heightened watchfulness or preparation for action | ||
Samples | Bombers were put on alert during the crisis. | ||
Synonyms | qui vive | ||
Broader (hypernym) | preparation, preparedness, readiness | ||
Narrower (hyponym) | air alert, red alert, strip alert | ||
2. | alert (communication) a warning serves to make you more alert to danger | ||
Synonyms | alerting | ||
Broader (hypernym) | warning | ||
Instance hyponym | EAS, Emergency Alert System | ||
3. | alert (communication) an automatic signal (usually a sound) warning of danger | ||
Synonyms | alarm, alarum, warning signal | ||
Broader (hypernym) | sign, signal, signaling | ||
Narrower (hyponym) | air alert, alarm bell, burglar alarm, fire alarm, foghorn, fogsignal, horn, red flag, siren, tocsin, torpedo | ||
English verb: alert | |||
1. | alert (communication) warn or arouse to a sense of danger or call to a state of preparedness | ||
Samples | The empty house alarmed him. We alerted the new neighbors to the high rate of burglaries. | ||
Synonyms | alarm | ||
Pattern of use | Somebody ----s somebody. Something ----s somebody | ||
Broader (hypernym) | warn | ||
Narrower (hyponym) | wake | ||