- to free from deception, fallacy, or mistake.
Origin of undeceive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for undeceive
(To Argan) Sir, allow me to undeceive him, and to show him his mistake.
It will be easy to undeceive the man—later—when you are saved.Night and Morning, Complete
I hope that she is under a delusion: it will be easy for you to undeceive her.A Hero of Our Time
M. Y. Lermontov
To no end did Nelly try to undeceive her father on this head.The Daltons, Volume II (of II)
Charles James Lever
Yet I would not undeceive her, for I wanted her to bring matters to a climax.The Memoires of Casanova, Complete
Jacques Casanova de Seingalt
- (tr) to reveal the truth to (someone previously misled or deceived); enlighten
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