What does alert mean?

Definitions for alert

This dictionary definitions page includes all the possible meanings, example usage and translations of the word alert.

Princeton's WordNet

  1. alert, qui vivenoun

    condition of heightened watchfulness or preparation for action

    "bombers were put on alert during the crisis"

  2. alert, alertingnoun

    a warning serves to make you more alert to danger

  3. alarm, alert, warning signal, alarumadjective

    an automatic signal (usually a sound) warning of danger

  4. alert, watchfuladjective

    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"

  5. alert, brisk, lively, merry, rattling, snappy, spanking, zippyadjective

    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"

  6. alert, alive(p), awake(p)verb

    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"

  7. alarm, alertverb

    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"


  1. alertnoun

    An alarm.

  2. alertnoun

    A notification of higher importance than an advisory.

  3. alertverb

    To give warning to.

  4. alertadjective

    Attentive; awake; on-guard.

  5. Etymology: From alerte, from the phrase à l'erte, from all'erta, from erta.

Samuel Johnson's Dictionary

  1. ALERTadjective

    Etymology: alerte, Fr. perhaps from alacris, but probably from à l'art, according to art or rule.

    I saw an alert young fellow, that cocked his hat upon a friend of his, and accosted him after the following manner: Well, Jack, the old prig is dead at last. Joseph Addison, Spect. №. 403.


  1. alert

    Alert refers to the state of being watchful, aware, and ready to respond or react to any potential danger, threat, or emergency. It also can be a notification, warning, or signal about any specific situation, usually associated with urgency or potential harm.

Webster Dictionary

  1. Alertadjective

    watchful; vigilant; active in vigilance

  2. Alertadjective

    brisk; nimble; moving with celerity

  3. Alertnoun

    an alarm from a real or threatened attack; a sudden attack; also, a bugle sound to give warning


  1. Alert

    Alert is an unincorporated community in southern Morgan Township, Butler County, Ohio, in the United States. It is located about ten miles southwest of Hamilton on Howards Creek, a tributary of the Great Miami River in section 28 of R1ET3N of the Congress Lands. It is three miles west of Shandon and two miles south of Okeana.

Chambers 20th Century Dictionary

  1. Alert

    al-ėrt′, adj. watchful: brisk.—n. a sudden attack or surprise.—adv. Alert′ly.—n. Alert′ness.—Upon the alert, upon the watch. [Fr.—It. all' erta, on the erect—erto, L. erectus, erect.]

Dictionary of Nautical Terms

  1. alert

    On the look-out, and ready for any sudden duty. Nearly synonymous with alarm. Alerto--called frequently by Spanish sentinels.

Military Dictionary and Gazetteer

  1. alert

    Watchful; vigilant; active in vigilance; upon the watch; guarding against surprise or danger.

Surnames Frequency by Census Records

  1. ALERT

    According to the U.S. Census Bureau, Alert is ranked #133863 in terms of the most common surnames in America.

    The Alert surname appeared 126 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 would have the surname Alert.

    80.1% or 101 total occurrences were Black.
    15% or 19 total occurrences were White.

Matched Categories

British National Corpus

  1. Verbs Frequency

    Rank popularity for the word 'alert' in Verbs Frequency: #1006

Anagrams for alert »

  1. alter

  2. artel

  3. later

  4. ratel

  5. taler

  6. telar

How to pronounce alert?

How to say alert in sign language?


  1. Chaldean Numerology

    The numerical value of alert in Chaldean Numerology is: 6

  2. Pythagorean Numerology

    The numerical value of alert in Pythagorean Numerology is: 2

Examples of alert in a Sentence

  1. Claudia Sheinbaum:

    I did not have any report nor alert of any problem that could have led us to this situation.

  2. Peter Marks:

    We have to be alert to the possibility of a pandemic, in the past week we went from having this virus on three continents to having it on six continents. ... Any time something's going at that rate, it has to be concerning.

  3. Haim Tomer:

    But in such cases, it would be a low-level 'green alert', meaning the person should be looked at further, whereas a 'red alert' would warrant instant action. That leaves the security services to decide how to handle matters.

  4. Sky News:

    Actually there's far too little known about it and the numbers actually at the moment are really too small, but it is an alert, and it's something that's actually being explored and examined by a number of different researchers.

  5. Sarah Marquis ':

    I had to keep my ultimate goal in mind, but at the same time just think about one step at a time -- and try and stay in the present. I always had to stay alert and focused.

Popularity rank by frequency of use


Translations for alert

From our Multilingual Translation Dictionary

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"alert." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/alert>.

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