noun Download 🔗Share A belief in a coming religious millennium, especially the belief in a coming thousand-year reign of peace heralded by the Second Coming of Christ; utopianism, belief in a coming era of peace and prosperity. Examples : "The group's millenarianism led them to believe that a new, perfect society would emerge after the predicted disaster, free from all current problems. " religion theology philosophy doctrine future soul history Chat with AIVocabulary GamePractice Reading