tr.v. un·snapped, un·snap·ping, un·snaps
To loosen, unfasten, or free by or as if by undoing snaps.
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.
vb, -snaps, -snapping or -snapped
(tr) to unfasten (the snap or catch) of (something)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
v.t. -snapped, -snap•ping.
to open or release by or as if by undoing a snap fastener.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: unsnapped
Collins English Verb Tables © HarperCollins Publishers 2011