Lollard or Lollardy was a religious movement that started in the Middle Ages. It began in the middle of the 14th century during the English Reformation. "Lollard" is a word used to refer to those who believed in John Wycliffe's ideas., He was a well-known theologian who was expelled from the University of Oxford in 1381 because he criticized the Catholic Church. He mainly did this using his teaching about the Eucharist. The Lollards wanted to reform Western Christianity.