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Argus-eyed

American  
[ahr-guhs-ahyd] / ˈɑr gəsˌaɪd /

adjective

  1. having keen eyes; vigilant; watchful.

Argus-eyed British  

adjective

  1. keen-sighted; observant; vigilant

"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

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.

It 128 was harder to get anything away from Nyoda, for she seemed to be Argus eyed; but providentially she was called to the telephone, and while she was talking they made their raid.

From The Camp Fire Girls at Onoway House or, The Magic Garden by Frey, Hildegard G. (Hildegard Gertrude)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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