undeceive

[ uhn-di-seev ]

/ ˌʌn dɪˈsiv /

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See synonyms for: undeceived on Thesaurus.com

verb (used with object), un·de·ceived, un·de·ceiv·ing.

to free from deception, fallacy, or mistake.

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Origin of undeceive

First recorded in 1590–1600; un-² + deceive

OTHER WORDS FROM undeceive

un·de·ceiv·a·ble, adjectiveun·de·ceiv·er, noun

Words nearby undeceive

undated, undauntable, undaunted, undead, undecagon, undeceive, undecided, undecillion, undeclared, undecylenic acid, undefeated

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use undeceive in a sentence

It was directed to Mr. Carr, and said as plainly as look could say, "Don't undeceive her; keep up the delusion."
Elster's Folly|Mrs. Henry Wood
Let me undeceive those who think thus, and let them go on reading, if nothing but such a fear hinders them.
Camille (La Dame aux Camilias)|Alexandre Dumas, fils
She thought it was some mercantile speculation which led me from home, and, as you may believe, I did not undeceive her.
Confessions of a Thug|Philip Meadows Taylor
Experience has often convinced me that the most useless of enterprises is to seek to undeceive a prejudiced mind.
Letters To Eugenia|Paul Henri Thiry Holbach

Miss Elton believed her guilty; she would not undeceive her.
Fifty-Two Stories For Girls|Various

British Dictionary definitions for undeceive

undeceive

/ (ˌʌndɪˈsiːv) /

verb

(tr) to reveal the truth to (someone previously misled or deceived); enlighten

Derived forms of undeceive

undeceivable, adjectiveundeceiver, noun

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