ALERT
alert, watchful
(adjective) engaged in or accustomed to close observation; “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”
alert, alive, awake
(adjective) mentally perceptive and responsive; “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”
alert, brisk, lively, merry, rattling, snappy, spanking, zippy
(adjective) quick and energetic; “a brisk walk in the park”; “a lively gait”; “a merry chase”; “traveling at a rattling rate”; “a snappy pace”; “a spanking breeze”
alarm, alert, warning signal, alarum
(noun) an automatic signal (usually a sound) warning of danger
alert, alerting
(noun) a warning serves to make you more alert to danger
alert, qui vive
(noun) condition of heightened watchfulness or preparation for action; “bombers were put on alert during the crisis”
alarm, alert
(verb) warn or arouse to a sense of danger or call to a state of preparedness; “The empty house alarmed him”; “We alerted the new neighbors to the high rate of burglaries”
Source: WordNet® 3.1
Etymology
After the HMS Alert
Proper noun
Alert
A community in Qikiqtaaluk Region, Nunavut, Canada; the northernmost permanently inhabited place in the world.
An alternative name for Alharod, a village in Varzaqan County, East Azerbaijan Province, Iran.
An unincorporated community in Jackson Township, Decatur County, Indiana, United States.
Anagrams
• alter, alter-, altre, artel, later, ratel, taler, telar
Etymology 1
Adjective
alert (comparative more alert, superlative most alert)
Attentive; awake; on guard.
(obsolete) brisk; nimble; moving with celerity.
Noun
alert (plural alerts)
An alarm.
A notification of higher importance than an advisory.
(military) A state of readiness for potential combat.
Etymology 2
Verb
alert (third-person singular simple present alerts, present participle alerting, simple past and past participle alerted)
To give warning to.
Anagrams
• alter, alter-, altre, artel, later, ratel, taler, telar
Source: Wiktionary
A*lert", a. Etym: [F. alerte, earlier Ă l'erte on the watch, fr. It.
all' erta on the watch, prop. (standing) on a height, where one can
look around; erta a declivity, steep, erto steep, p. p. of ergere,
erigere, to erect, raise, L. erigere. See Erect.]
1. Watchful; vigilant; active in vigilance.
2. Brisk; nimble; moving with celerity.
An alert young fellow. Addison.
Syn.
– Active; agile; lively; quick; prompt.
A*lert", n. (Mil.)
Definition: An alarm from a real or threatened attack; a sudden attack;
also, a bugle sound to give warning. "We have had an alert." Farrow.
On the alert, on the lookout or watch against attack or danger; ready
to act.
Source: Webster’s Unabridged Dictionary 1913 Edition