verb
- to free someone from a mistaken belief or false impression; to reveal the truth to someone who has been deceived
Usage: formal
Examples
- The documentary undeceived viewers about the company’s environmental claims.
- She felt obligated to undeceive her friend about her boyfriend’s true character.
- The investigation undeceived the public about the politician’s corruption.
- His honest confession undeceived everyone who had believed his story.
- The teacher undeceived the students about the difficulty of the upcoming exam.
- Time would eventually undeceive him about her motives.