of, relating to, or characteristic of heretics or heresy.

Origin of heretical

First recorded in 1375–1425; late Middle English word from Medieval Latin word haereticālis. See heretic, -al1
Related formshe·ret·i·cal·ly, adverbhe·ret·i·cal·ness, nounnon·he·ret·i·cal, adjectivenon·he·ret·i·cal·ly, adverbsem·i·he·ret·i·cal, adjective

Synonyms for heretical Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heretical

Contemporary Examples of heretical

Historical Examples of heretical

Word Origin and History for heretical

early 15c., from Middle French eretical and directly from Medieval Latin haereticalis, from haereticus (see heretic).

Online Etymology Dictionary, © 2010 Douglas Harper