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wide-awake

[wahyd-uh-weyk]
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adjective
  1. fully awake; with the eyes wide open.
  2. alert, keen, or knowing: a wide-awake young woman.
noun
  1. Also called wide-awake hat. a soft, low-crowned felt hat.
  2. the sooty tern.

Origin of wide-awake

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

Synonyms

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2. watchful, vigilant; sharp, quick, astute.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for wideawake hat

wide-awake

adjective (wide awake when postpositive)
  1. fully awake
  2. keen, alert, or observant
noun
  1. 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