Meaning

noun any opinions or doctrines at variance with the official or orthodox position

noun a belief that rejects the orthodox tenets of a religion

noun the quality of being unorthodox

originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English orthodoxy English unorthodoxy From un- + orthodoxy.

Etymology from Wiktionary, CC BY-SA 3.0