'Wide-awake' definitions:

Definition of 'wide-awake'

(from WordNet)
adjective
Fully awake; "the unsleeping city"; "so excited she was wide-awake all night" [syn: unsleeping, wide-awake]
adjective
Fully alert and watchful; "played heads-up ball" [syn: heads-up, wide-awake]

Definition of 'Wide-awake'

From: GCIDE
  • Wide-awake \Wide`-a*wake"\ (w[imac]d`[.a]*w[=a]k"), a. Fully awake; not drowsy or dull; hence, knowing; keen; alert. --Dickens. [1913 Webster]

Definition of 'Wide-awake'

From: GCIDE
  • Wide-awake \Wide`-a*wake"\, n. A broad-brimmed, low-crowned felt hat. [1913 Webster]