1. Contrary to established doctrine, belief, or opinion; unorthodox
His heterodox views on religion challenged the church's teachings.
Suas ideias heterodoxas sobre religião desafiaram os ensinamentos da igreja.
2. A person who holds heterodox beliefs or opinions
The philosopher was considered a heterodox thinker of his time.
O filósofo era considerado um pensador heterodoxo de sua época.