Alert

//əˈlɜːt// adj, name, noun, verb

Definitions

Adjective
  1. 1
    Attentive; awake; on guard.
  2. 2
    brisk; nimble; moving with celerity. obsolete

    "I saw an alert young fellow that cocked his hat upon a friend of his who entered just at the same time with myself"

Adjective
  1. 1
    engaged in or accustomed to close observation wordnet
  2. 2
    mentally perceptive and responsive wordnet
  3. 3
    quick and energetic wordnet
Proper Noun
  1. 1
    A community in the Qikiqtaaluk Region, Nunavut, Canada; the northernmost permanently inhabited place in the world.
  2. 2
    An alternative name for Alharod, a village in Varzaqan County, East Azerbaijan Province, Iran.
  3. 3
    An unincorporated community in Jackson Township, Decatur County, Indiana, United States.
Noun
  1. 1
    An alarm.
  2. 2
    an automatic signal (usually a sound) warning of danger wordnet
  3. 3
    A notification of higher importance than an advisory.
  4. 4
    a warning serves to make you more alert to danger wordnet
  5. 5
    A state of readiness for potential combat.

    "an airborne alert; ground alert"

Show 2 more definitions
  1. 6
    condition of heightened watchfulness or preparation for action wordnet
  2. 7
    Synonym of bell (“bell character”).
Verb
  1. 1
    To give warning to.
  2. 2
    warn or arouse to a sense of danger or call to a state of preparedness wordnet

Etymology

Etymology 1

From French alerte (“alert”), from the phrase à l'erte (“on the watch”), from Italian all'erta (“to the height”), from erta (“lookout, tower”).

Etymology 2

From French alerte (“alert”), from the phrase à l'erte (“on the watch”), from Italian all'erta (“to the height”), from erta (“lookout, tower”).

Etymology 3

Formed within English by conversion, from alert (adjective). Compare French alerter.

Etymology 4

After HMS Alert

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