Wide-awake \Wide`-a*wake"\ (w[imac]d`[.a]*w[=a]k"), a. Fully awake; not drowsy or dull; hence, knowing; keen; alert. --Dickens.
Source: Webster's Revised Unabridged Dictionary (1913)
Wide-awake \Wide`-a*wake"\, n. A broad-brimmed, low-crowned felt hat.