Synonyms:
dissident, heretical, heterodox
Meaning: characterized by departure from accepted beliefs or standards
Usage examples
This is heretical; for it would do away with the distinction of rewards and punishments.
For unless He himself teach us inwardly this wisdom hidden in a mystery, nature cannot but condemn it and judge it to be heretical.
My associates regard the thought with as much horror as many worthy people of the 20th Century felt in regard to any heretical suggestion that the original outline of government as laid down in the First Constitution did not apply as well to 20th Century conditions as to those of the early 19th.