\I*dol"a*trous\, a. 1. Of or pertaining to idolatry; partaking of the nature of idolatry; given to idolatry or the worship of false gods; as, idolatrous sacrifices. [Josiah] put down the idolatrous priests. --2 Kings xxiii. 5. 2. Consisting in, or partaking of, an excessive attachment or reverence; as, an idolatrous veneration for antiquity.