1. beliefs or opinions that go against the official teachings of a religion, especially Christianity
Usage: plural of heresy
2. opinions or beliefs that strongly oppose accepted ideas or principles
Usage: figurative use

Examples

• The church condemned several heresies during the medieval period.
• His scientific theories were considered heresies by the academic establishment.
• The council met to address various heresies spreading among the faithful.
• Many political heresies of the past are now accepted as mainstream ideas.
• The professor’s economic heresies challenged traditional market theory.
• Religious authorities compiled a list of dangerous heresies to avoid.
• What were once considered heresies are now fundamental human rights.