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    hyperalert

    US

    ・

    UK

    A1
    adj.AdjectiveExcessively or abnormally alert; acutely aware of surroundings.
    The security guard was hyperalert, noticing every small detail.
    adj.AdjectiveExhibiting an exaggerated state of watchfulness, often associated with medical or psychological conditions.
    The patient was hyperalert and restless after the medication.

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