Definition of undeceive in English:

undeceive

verb

[WITH OBJECT]
  • Tell (someone) that an idea or belief is mistaken.

    ‘they took her for a nun, and Mary said nothing to undeceive them’
    • ‘In light of that contention, it would seem that a culture that could not gain the uncoerced and undeceived adherence of enough individuals to survive would have no moral claim to its continuation.’
    • ‘That thought of being so scared and undeceived, strangely shuddering with doubt gave her a rude awakening to something she never had experienced before.’
    • ‘For the meaning of the word, just as Wittgenstein wanted us to believe (in order that we might be undeceived about how our words work), lies in its use in the language.’
    disillusioned, disappointed, let down, fed up, dissatisfied, discontented, disabused, undeceived, set straight
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Pronunciation:

undeceive

/ˌəndəˈsēv/