Also found in: Idioms.
1. Afraid of loud noise, such as that of gunfire.
2. Extremely distrustful or wary.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Hunting) afraid of a gun or the sound it makes: a gun-shy dog is useless for shooting.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. frightened by the sound of a gun firing.
2. hesitant, wary, or distrustful, esp. because of previous unpleasant experience.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.