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

Need access to ALERT IIS? Contact your organization's designated Super User or the ALERT IIS help desk if you want to establish a new user account. If your facility wants to establish a …

Monitor the web for interesting new content. How often. As-it-happens. At most once a day. At most once a week. Sources. Automatic. News. Blogs. Web. Video. Books. Discussions. …

ALERT definition: 1. quick to see, understand, and act in a particular situation: 2. a warning to people to be…. Learn more.

ALERT definition: fully aware and attentive; wide-awake; keen. See examples of alert used in a sentence.

If you are alert, you are paying full attention to things around you and are able to deal with anything that might happen. We all have to stay alert. He had been spotted by an alert neighbour.

Alert, vigilant, watchful imply a wide-awake attitude, as of someone keenly aware of his or her surroundings. Alert describes a ready and prompt attentiveness together with a quick …

Dec 22, 2025 · alert (plural alerts) An alarm. A notification of higher importance than an advisory. (military) A state of readiness for potential combat.

Define alert. alert synonyms, alert pronunciation, alert translation, English dictionary definition of alert. adj. 1. Vigilantly attentive; watchful: alert to danger; an alert bank guard.

The English word alert comes from a l'erte, an early French phrase that means "on guard" or "on the watch." This French phrase came from an Italian military phrase, all'erta.