wide-awake
Definitions
Fully awake and alert.
Completely aware or conscious of what is happening.
Examples
Despite the late hour, I was wide-awake and unable to fall asleep.
The loud noise in the hallway left the entire household wide-awake.
She drank a strong cup of coffee to ensure she stayed wide-awake during the long lecture.
Synonyms
Antonyms
asleep drowsy lethargic sluggish unconscious somnolent dozing