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이단

Pronunciation
이ː단
Part of speech
noun
Vocabulary level
none
Derivative
이단적02, 이단적01

heresy; heterodoxy; unorthodoxy

Any opinion or theory that rejects an authoritative idea, theory, etc.

unorthodoxy; heathenism; heresy

A religion that is not recognized as an orthodoxy because it rejects the orthodox doctrines of a certain religion.