Synonyms of heresy

heresy

noun

ˈher-ə-sē 

as in dissent

departure from a generally accepted theory, opinion, or practice

the heresy of asserting that Shakespeare was not a great writer

Synonyms & Similar Words

• dissent
• heterodoxy
• schism
• error
• nonconformity
• dissidence
• apostasy
• misconception
• discord
• myth
• fallacy
• sectarianism
• defection
• deviation
• deviance
• separatism
• iconoclasm
• falsehood
• misbelief
• scission
• infidelity
• dissension
• disagreement
• unconventionality

Antonyms & Near Antonyms

• orthodoxy
• conformity
• agreement
• conformation
• conventionality

Example Sentences

Recent Examples of heresy

But at least one image has to remain in place lest FIFA commit heresy. — Kansas City Star, 12 May 2026

His campaign is gaining momentum at a time when many of the administration’s steadfast Christian backers—alarmed by the president’s bullying campaign against Pope Leo XIV in recent weeks, among other heresies—have been rethinking their support. — Elizabeth Bruenig, The Atlantic, 24 Apr. 2026

She was found guilty of heresy and sorcery in 1441. — Gitanjali Roy, Encyclopedia Britannica, 23 Apr. 2026

In this way, Paul turned the heresy of a tiny sect of Messianic Jews into the dominant religious and cultural architecture of the West for the next couple of thousand years. — Adam Gopnik, New Yorker, 13 Apr. 2026