- The definition of duplicitous is being sneaky or deceitful.
An example of a duplicitous person is someone who always lies to get her way.
duplicitous definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
having duplicity; deceitful
duplicitous definition by American Heritage Dictionary
Given to or marked by deliberate deceptiveness in behavior or speech.
- du·plicˈi·tous·ly adverb
- du·plicˈi·tous·ness noun