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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.
1. : a state of careful watching and readiness especially for danger or opportunity. on 24-hour alert. 2. a. : an alarm or other signal of danger. traffic alerts. They sounded the alert. b. : an urgent notice.
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.
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.
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.
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.
Definition of alert verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Definition of alert noun from the Oxford Advanced Learner's Dictionary. alert. noun. /əˈlɜːt/ /əˈlɜːrt/ [singular, uncountable] a situation in which people are watching for danger and ready to deal with it. on the alert (for something) Police are warning the public to be on the alert for suspicious packages.
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.
alert. From Longman Dictionary of Contemporary English a‧lert1 /əˈlɜːt $ -ɜːrt/ adjective 1 giving all your attention to what is happening, being said etc The animal raised its head, suddenly alert.
