wrongthink noun 1verb 1forms 5 noun1 •Beliefs or opinions that run contrary to the prevailing or mainstream orthodoxy.Fang, fearing for his job, had to issue a Maoist-style apology for reporting wrongthink. — 2020 verb1 •(rare) To engage in wrongthink.Post a conservative story on Facebook or search for it on Google and out pops Snopes, a partisan site, to warn you of wrongthinking. — 2017 formswrongthinked · wrongthought · wrongthunk · wrongthinking · wrongthinks