1. A system of beliefs, ideas, or principles that contradicts or deviates from established religious doctrine, orthodoxy, or widely accepted conventional thought
The church condemned the heretical ideology that challenged traditional interpretations of scripture.
A igreja condenou a ideologia herética que desafiava as interpretações tradicionais das escrituras.
2. Any unconventional or dissident set of ideas considered contrary to prevailing dogma or mainstream belief systems
His heretical ideology regarding economic policy was rejected by conservative politicians.
Sua ideologia herética sobre política econômica foi rejeitada por políticos conservadores.