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.
|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|
|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.
|Similar||aware, cognisant, cognizant|
English noun: alert
|1.||alert (state) condition of heightened watchfulness or preparation for action|
|Samples||Bombers were put on alert during the crisis.|
|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|
|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.
|Pattern of use||Somebody ----s somebody.|
Something ----s somebody