Definitions

1. noun

the act of opposing or rejecting established or traditional doctrine, theory, or practice, especially in matters of religion, politics, or art

“The philosopher’s ideas were considered heresy by the academic community.”

2. noun

a doctrine or opinion that is contrary to established or traditional doctrine, theory, or practice

“The church condemned the heresy as a threat to its authority.”

3. verb

to declare or hold to be heresy

“The theologian was accused of heresying against the church’s official doctrine.”