Meaning & use
heresy
A belief or opinion that strongly conflicts with established religious doctrine or widely accepted principles.
See it in a sentence
In medieval Europe, questioning church teachings could get a person accused of heresy.
Suggesting the team change its long-standing strategy felt like heresy to the veteran coach.
A note on using this word
Heresy originally applied strictly to religious doctrine but is now often used more loosely for any opinion that defies accepted norms.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
orthodoxy
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