There are 2 main definitions of wide awake in English:

wide awake1

Fully awake.
More example sentences
  • I was wide awake yet my conscious brain was refusing to accept that someone unseen was touching my face.
  • I am incensed, I am livid, I am wide awake at 3.20 in the morning Thursday writing this email.
  • At 3.30 I was still wide awake and feeling incredibly bad tempered.
See parent entry: wide

Definition of wide awake in:

There are 2 main definitions of wide awake in English:

wide-awake2

Syllabification: wide-a·wake
Pronunciation: /ˌwīdəˈwāk/

noun

A soft felt hat with a low crown and wide brim.
More example sentences
  • He continued with a description of ‘the draught-fearing Bruch, who looked like an Arctic explorer, having armed himself with galoshes, a waterproof wideawake and a thick mackintosh to combat the rigours of an English June’.
  • When a fedora, a bowler, a balmoral, a tam-o'-shanter, a Bombay Bowler, a pork-pie or a floppy-brimmed wideawake?

Origin

mid 19th century: punningly so named, because the hat does not have a nap.

Definition of wide awake in: