Also found in: Thesaurus.
tr.v. nay·said (-sĕd′), nay·say·ing, nay·says (-sĕz′)
To oppose, deny, or take a pessimistic or negative view of: They will naysay any policy that raises taxes.
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.
a refusal or denial
1. to speak of something in a negative manner
2. to say no
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014