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1. Dictionary

   A·lert

   /əˈlərt/

   

   adjective

   • 1. quick to notice any unusual and potentially dangerous or difficult circumstances; vigilant: "an alert police officer discovered a truck full of explosives" Similar vigilanthypervigilantwide awakeawarewatchfulattentiveobservantcircumspectwarycharyheedfulcannyon the lookouton one's guardon one's toesall earskeeping one's eyes open/peeledkeeping a weather eye openon the qui viveOpposite inattentive
   • ▪ able to think clearly; intellectually active: "she remained active and alert until well into her eighties" Similar quick-wittedsharpbrightquickkeenperceptivewide awakeresponsiveagileacuteastuteinformal:on the ballon one's toesquick off the markquick on the uptakeall therewith itbright-eyed and bushy-tailedOpposite slow

   noun

   • 1. the state of being watchful for possible danger: "security forces were placed on alert" Similar vigilancewatchfulnesscarefulnessattentivenessguardednesscarecautioncautiousnesswarinesscharinessalertnesshypervigilancecircumspectionprudenceheedfulnessheedmindfulnessOpposite carelessness
   • ▪ an announcement or signal warning of danger: "a bomb alert" Similar warningcautionnotificationnoticeexhortationinjunctionsirenalarmsignaldanger signaldistress signal
   • ▪ a period of vigilance in response to a warning of danger: "traffic was halted during the alert"
   • ▪ a signal on an electronic device that prompts the user to do something or attracts their attention: "a vibrating alert is a discreet alternative to ringtones"

   verb

   • 1. warn (someone) of a danger, threat, or problem, typically with the intention of having it avoided or dealt with: "he alerted people to the dangers of smoking"

   Word Origin late 16th century (originally in military use): from French alerte, from Italian all' erta ‘to the watchtower’.

   Derivatives

   • 1. alertly adverb

   Scrabble Points: 5

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2. www.merriam-webster.com › dictionary › alertAlert Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › alert

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   Learn the meaning, synonyms, examples, and history of the word alert, which can be an adjective, noun, or verb. Alert can mean watchful, active, brisk, or a signal of danger or notice.

3. People also ask

   What does alert mean?

   • The meaning of ALERT is watchful and prompt to meet danger or emergency. How to use alert in a sentence. Synonym Discussion of Alert.

   Alert Definition & Meaning - Merriam-Webster

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   Is alert a noun or adjective?

   • Alert is one of the rare words that can be used in the same form as a noun, verb, and adjective. In all parts of speech, alert implies preparedness. The word is derived from the French a l'erte which translates to "on the watch."

   Alert - Definition, Meaning & Synonyms | Vocabulary.com

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   What is an example of an alert?

   • To alert means to advise or to warn, as with an alert. For example, your teacher might alert you that your big project is due soon, while a police department might alert the public about a dangerous person on the streets. Example: Alert the security team of the incident and then head home.

   ALERT Definition & Meaning | Dictionary.com

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   What is a good word for alert?

   • 1. attentive, careful, awake, wary, vigilant, perceptive, watchful, ready, on the lookout, circumspect, observant, on guard, wide-awake, on your toes, on the watch, keeping a weather eye on, heedful He had been spotted by an alert neighbour.

   Alert - definition of alert by The Free Dictionary

   www.thefreedictionary.com/alert

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4. dictionary.cambridge.org › dictionary › englishALERT | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   Learn the meaning of alert as an adjective, noun, and verb in English. Find out how to use alert in different contexts, such as warning, message, or situation, with examples and pronunciation.

5. www.dictionary.com › browse › alertALERT Definition & Meaning | Dictionary.com

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   An alert is a warning or alarm, especially an alarm about dangerous weather or a military attack, as in The National Weather Service has alerts for tornadoes, hurricanes, Nor’easters, and other severe weather occurrences.

6. www.vocabulary.com › dictionary › alertAlert - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › alert

   When you issue an alert you give warning, alerting people to, or notifying them of, a concern. Alert is one of the rare words that can be used in the same form as a noun, verb, and adjective. In all parts of speech, alert implies preparedness.

7. www.collinsdictionary.com › dictionary › englishALERT definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   Learn the meaning, pronunciation, and usage of the word alert as an adjective, noun, and verb. Find out the difference between alert and irony, and see related words and phrases.

8. www.thefreedictionary.com › alertAlert - definition of alert by The Free Dictionary

   www.thefreedictionary.com › alert

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   Alert means vigilant, watchful, or ready for action. It can also refer to a warning signal or a period of heightened preparedness. See synonyms, related terms, and usage examples from various sources.

9. dictionary.cambridge.org › learner-english › alertALERT | definition in the Cambridge Learner’s Dictionary

   dictionary.cambridge.org › learner-english › alert

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   Learn the meaning of alert as an adjective, noun and verb, with synonyms and translations. Find out how to use alert in sentences about dogs, teachers, police and more.