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unawares

American  
[uhn-uh-wairz] / ˌʌn əˈwɛərz /

adverb

  1. while not aware or conscious of a thing oneself; unknowingly or inadvertently.

  2. without warning; by surprise; suddenly; unexpectedly.

    to come upon someone unawares.


unawares British  
/ ˌʌnəˈwɛəz /

adverb

  1. without prior warning or plan; unexpectedly

    she caught him unawares

  2. without being aware of or knowing

    he lost it unawares

"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

Etymology

Origin of unawares

First recorded in 1525–35; unaware + -s 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Harteveldt also said the airlines are making schedule changes well ahead of peak summer travel season so as not to catch travelers unawares.

From MarketWatch • Apr. 28, 2026

Federal prosecutors disagreed, indicating they were caught unawares by his removal and still hoped to bring Flores to trial — if he ever returns to the U.S.

From Los Angeles Times • Jan. 21, 2026

Although heavy rain had been battering the area for hours, many, like Guillermo Serrano Pérez and his family, were caught unawares by the force of the floods.

From BBC • Oct. 30, 2024

The entire plot is driven by Blackthorne’s revelation that even the Christian lords’ European allies are secretly building an army with which they intend to take all of Japan unawares.

From New York Times • Apr. 23, 2024

“Johannes!” a voice boomed from somewhere behind me, taking me unawares, “We’ve come to take you back to school!”

From "Kaffir Boy: An Autobiography" by Mark Mathabane

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