Belief or opinion contrary to what is generally accepted

Belief or opinion contrary to what is generally accepted Correct Answer Heresy

One word substitute is Heresy.

Unbelief: lack of religious belief; an absence of faith.
Superstition: excessively credulous belief in and reverence for the supernatural.
Non-conformity: the principles or practice of Nonconformists, especially Protestant dissent.
Heresy: belief or opinion contrary to orthodox religious (especially Christian) doctrine.

Related Questions

Belief or opinion contrary to what is generally accepted.
Which mood is used to express a wish or a situation contrary to fact?
He showed great enthusiasm 'contrary to' what his supervisor had expected .
__ my insistence to the contrary , he ___ pursued his preferred line of action.