Simple past tense and past participle of mistell.(verb)
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Use "mistold" in a sentence
"With the knowledge he had of mankind, he knew it would be mistold."
"I thought it would be funnier in the first person, but I kinda mistold the joke a little bit and I think some people thought that, in fact, it was an anthem for square people."
"They completely mistold the facts behind a story on the Catholic church, and I quit watching them entirely that day around 1983 because I did not know whether or not what I was hearing BS."