›to change something so that it is not what it was or should be, or to influence someone in a harmful way: Her ideas have been shamelessly perverted to serve the president's propaganda campaign.The history teacher tried to pervert (= persuade into unacceptable sexual activity) the boys by showing them pornographic magazines.ChangingAdapting and modifying Adapting and attuning to somethingChanging frequentlypervert the course of justicelegal›to act illegally to avoid punishment or to get the wrong person punished: The two police officers were charged with perverting the course of justice by fabricating evidence in the trial.Obeying and breaking the lawObedient and compliantDisobedientBad and wrong behaviour