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alarm, alert, warning signal, alarum | an automatic signal (usually a sound) warning of danger | |
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alive, alert, awake | mentally perceptive and responsive | |
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brisk, alert, lively, zippy, merry, rattling, snappy, spanking | quick and energetic | |
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alert, watchful | engaged in or accustomed to close observation | |
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V2 |
alert, alarm | warn or arouse to a sense of danger or call to a state of preparedness | |
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alert, qui vive | condition of heightened watchfulness or preparation for action | |
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alert, alerting | a warning serves to make you more alert to danger |