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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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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.
- English (US)
ALERT meaning: 1. quick to see, understand, and act in a...
- English (US)
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.
alert describes a ready and prompt attentiveness together with a quick intelligence: The tourist was alert and eager to see the sights. vigilant suggests some immediate necessity for keen, active observation, and for continuing alertness: Knowing the danger, the scout was unceasingly vigilant. watchful suggests carefulness and preparedness ...
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.
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.
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.
Learn the various meanings and uses of the word alert as an adjective, noun, verb, and idiom. Find synonyms, antonyms, examples, and origin of alert.