C2 adjective /ˌaɪdəˈlɑːtrɪəs/
idolatrious
идолопоклоннический
Meaning
Excessively devoted or reverent towards idols or false gods.
Example
The ancient tribe was known for its idolatrious practices.
Древнее племя было известно своими идолопоклонническими обычаями.