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Adjective wide-awake has 2 senses
- unsleeping, wide-awake - fully awake; "the unsleeping city"; "so excited she was wide-awake all night"
Antonym: asleep (indirect, via awake)
- heads-up, wide-awake - fully alert and watchful; "played heads-up ball"
Antonym: unalert (indirect, via alert)
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