Out-wit means to surpass someone in intelligence or skill, but there are several antonyms for this word that suggest an opposite meaning. One of the antonyms for out-wit is "out-fool," which means to be duped or tricked by someone else. Another antonym is "be outsmarted," which suggests that the person did not have the intelligence or ability to get the job done. Furthermore, "be outmatched" is another antonym that suggests a person was overpowered or overwhelmed by the opponent's abilities. Finally, "be outguessed" means that the person was unable to predict or anticipate the outcome of the situation.