Synonyms of unorthodox

20 similar words · 7 opposite words

Another word for unorthodox is heretical. Other synonyms of unorthodox are heterodox, inorthodox, nonorthodox, unusual and unexpected. The opposite of unorthodox is orthodox.

Synonyms and similar words for unorthodox

heterodoxOf or pertaining to creeds, beliefs, or teachings, especially religious ones, that are different from what a religion...
inorthodoxSynonym of unorthodox.
nonorthodoxNot orthodox.
blasphemousLacking piety or respect for the sacred; resembling blasphemy.
haramForbidden by Islam: unlawful, sinful.
hereticalContrary to mainstream or accepted opinion.
sinful
treyfNot kosher.
unkosherNot kosher.
anarchistic
idiosyncraticPeculiar to a specific individual; eccentric.
incongruitousSynonym of incongruous.
irregular
nonconformistNot conforming to established customs, etc.
odd
offbeatUnusual; unconventional; not ordinary.
strange
unconventional
unexpectedNot expected, anticipated or foreseen.
unusualNot usual, out of the ordinary.

orthodoxConforming to the accepted, established, or traditional doctrines of a given faith, religion, or ideology.

What is another word for unorthodox?: Unorthodox has 20 synonyms on Word.ws, such as heretical, heterodox, inorthodox, nonorthodox, unusual, unexpected, haram and idiosyncratic.
What is the opposite of unorthodox?: The opposite of unorthodox is orthodox. Other antonyms of unorthodox are expected and standard.
What does unorthodox mean?: Unorthodox means unusual, unconventional, or idiosyncratic.

Adapted from Wiktionary: unorthodox (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Synonyms of unorthodox.” Word.ws, https://word.ws/synonyms/unorthodox. Based on Wiktionary, CC BY-SA 4.0.