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- DictionaryA·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"
noun
- 1. the state of being watchful for possible danger: "security forces were placed on alert"
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"
When you are alert, you are awake and ready. 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.
2 days ago · 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.
/əˈlɜːrt/ [often passive] Verb Forms. to warn somebody about a dangerous situation or one that requires immediate action. alert somebody Neighbours quickly alerted the emergency services. (be) alerted by something Alerted by a noise downstairs, he sat up and turned on the light. be alerted that…
Alert definition: fully aware and attentive; wide-awake; keen. See examples of ALERT used in a sentence.
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. on alert More than 5 000 troops have been placed on (full) alert. Extra Examples.
alert to something aware of something, especially a problem or danger We must be alert to the possibility of danger. She was alert to the slightest sound. alertly adjective. alertness noun [uncountable] See alert in the Oxford Advanced Learner's Dictionary. Check pronunciation: alert.
noun. uk / əˈlɜːt / us. [ C ] 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. (Definition of alert from the Cambridge Learner's Dictionary © Cambridge University Press) Translations of alert.
