fully awake; with the eyes wide open.
alert, keen, or knowing: a wide-awake young woman.


Also called wide-awake hat. a soft, low-crowned felt hat.
the sooty tern.

Origin of wide-awake

First recorded in 1810–20
Related formswide-a·wake·ness, noun

Synonyms for wide-awake

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for wideawake hat


adjective (wide awake when postpositive)

fully awake
keen, alert, or observant


Also called: wide-awake hat a hat with a low crown and very wide brim
Derived Formswide-awakeness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012