Argus-eyed

[ ahr-guh s-ahyd ]
/ ˈɑr gəsˌaɪd /

adjective

having keen eyes; vigilant; watchful.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for argus-eyed

Argus-eyed


adjective

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