from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One who attacks and seeks to overthrow traditional or popular ideas or institutions.
- n. One who destroys sacred religious images.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One who destroys religious images or icons, especially an opponent of the Orthodox Church in the 8th and 9th centuries, or a Puritan during the European Reformation.
- n. One who opposes orthodoxy and religion; one who adheres to the doctrine of iconoclasm.
- n. One who attacks cherished beliefs.
from the GNU version of the Collaborative International Dictionary of English
- n. A breaker or destroyer of images or idols; a determined enemy of idol worship.
- n. One who exposes or destroys impositions or shams; one who attacks cherished beliefs; a radical.
from The Century Dictionary and Cyclopedia
- n. A breaker or destroyer of images; a person conspicuously hostile to the use of images in Christian worship.
- n. One of those Protestants of the Netherlands who, during the reign of Philip II., riotously destroyed the images in many of the Roman Catholic churches.
- n. Hence Any destroyer, denouncer, or exposer of errors or impostures; one who systematically attacks cherished beliefs.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a destroyer of images used in religious worship
- n. someone who attacks cherished ideas or traditional institutions
French iconoclaste, from Medieval Greek eikonoklastēs, smasher of religious images : eikono-, icono- + Greek -klastēs, breaker (from Greek klān, klas-, to break).(American Heritage® Dictionary of the English Language, Fourth Edition)
From Byzantine Greek εἰκονοκλάστης ("iconoclast", literally "image breaker"). (Wiktionary)