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- Dictionaryalert/əˈləːt/
adjective
- 1. quick to notice any unusual and potentially dangerous or difficult circumstances; vigilant: "an alert police officer discovered a lorry full of explosive" Similar Opposite
noun
- 1. the state of being watchful for possible danger: "security forces are on the alert for an upsurge in violence" Similar Opposite
verb
- 1. warn (someone) of a danger or problem: "he alerted people to the dangers of smoking"
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ALERT definition: 1. quick to see, understand, and act in a particular situation: 2. a warning to people to be…. Learn more.
The meaning of ALERT is watchful and prompt to meet danger or emergency. How to use alert in a sentence. Synonym Discussion of Alert.
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.
1. watchful and ready, as in facing danger. 2. quick in thought or action; active; nimble. noun. 3. a warning signal as of an expected air raid; alarm. 4. the period during which such a warning is in effect.
ALERT meaning: 1. quick to see, understand, and act in a particular situation: 2. a warning to people to be…. Learn more.
Definition of alert verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
alert meaning, definition, what is alert: giving all your attention to what is hap...: Learn more.
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.
n. 1. A signal that warns of attack or danger: Sirens sounded the alert for an air raid. 2. A condition or period of heightened watchfulness or preparation for action: Nuclear-armed bombers were put on alert during the crisis. tr.v. a·lert·ed, a·lert·ing, a·lerts.
a warning about a possibly dangerous situation: a bomb alert. be on full/red alert. to be expecting problems and ready to deal with them: Police in the region were on full alert against further attacks.