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  1. ALERT Immunization Information System .. [Portal Main Page]

    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 …

  2. ALERT Definition & Meaning - Merriam-Webster

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

  3. ALERT | English meaning - Cambridge Dictionary

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

  4. Google Alerts - Monitor the Web for interesting new content

    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. …

  5. ALERT Definition & Meaning | Dictionary.com

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

  6. ALERT definition and meaning | Collins English Dictionary

    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.

  7. Alert - definition of alert by The Free Dictionary

    To notify of approaching danger or action; warn: a flashing red light that alerted motorists to trouble ahead. Watchful and prepared for danger, emergency, or opportunity: bird watchers on …

  8. alert - Wiktionary, the free dictionary

    Nov 27, 2025 · alert (plural alerts) An alarm. A notification of higher importance than an advisory. (military) A state of readiness for potential combat.

  9. alert - WordReference.com Dictionary of English

    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 …

  10. Alert Definition & Meaning | Britannica Dictionary

    The nurse should be alert to any change in the patient's condition. He is alert to [= aware of] his duties as a father.