noun🔗ShareA process of reasoning or decision-making by a group, especially one characterized by uncritical acceptance of or conformity to a perceived majority view."The project failed because of groupthink; no one wanted to challenge the boss's idea, even though it was clearly flawed. "groupmindphilosophycommunicationattitudetendencyorganizationbusinesspoliticssocietyhumanChat with AIVocabulary GamePractice Reading