1. Of or having to do with idolatry.
2. Given to blind or excessive devotion to something: "The religiosity of the [group] is self-righteous and idolatrous. It perceives no virtue in its opponents and magnifies its own" (Christopher Lasch).
3. Constituting idolatry.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.