|part of speech:
||a religious belief or doctrine not in keeping with the established doctrine of a church, esp. the rejection of or dissent from any aspect of Roman Catholic Church dogma by a baptized church member.
The view that the sun rather than the earth might be the center of the universe was considered heresy by many in the seventeenth century.
||any opinion or belief that challenges deeply established social, academic, political, or religious views.
This notion that disease could be caused by microbes was heresy.
||adherence to such opinions or beliefs.
The astronomer Galileo was accused of heresy for his support of the heliocentric view of the universe.