na-adjective
idolatrous
Describes attitudes, practices, or devotion characteristic of idol worship; often used in religious or figurative contexts.
彼のファンに対する態度はほとんど偶像教徒的だ。
His attitude toward his fans is almost idolatrous.
偶像崇拝 is the noun 'idol worship', while 偶像教徒的 is the adjectival form meaning 'idolatrous'.
Compound of 偶像 (idol), 教徒 (believer, adherent), and the adjectival suffix 的 (-like). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning 'idolatrous'.