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

wide-awake

adjective (wide awake when postpositive)
  1. fully awake
  2. keen, alert, or observant
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noun
  1. Also called: wide-awake hat a hat with a low crown and very wide brim
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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

Idioms and Phrases with wide awake

wide awake

Fully awake; also, very alert. For example, He lay there, wide awake, unable to sleep, or She was wide awake to all the possibilities. The wide in this idiom alludes to the eyes being wide open. [Early 1800s]

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.