verb
- to free from deception, illusion, or error; to reveal the truth to someone who has been misled
Usage: formal; third person singular present tense
Examples
- The documentary undeceives viewers about the company’s environmental claims.
- She gently undeceives her friend about the unreliable gossip.
- The investigation undeceives the public about the politician’s true motives.
- His honest explanation undeceives those who believed the false rumors.
- The teacher undeceives students who think the test will be easy.
- Evidence from the trial undeceives anyone who thought he was innocent.