From Longman Dictionary of Contemporary Englishiconoclasti‧con‧o‧clast /aɪˈkɒnəklæst $ -ˈkɑː-/ noun [countable] formal CRITICIZEsomeone who attacks established ideas and customs
Examples from the Corpus
iconoclast• I think I know why my father became a soldier, a professional fighter, and an iconoclast.• You are an iconoclast, Ralph.• Parker, for all his reputation as an iconoclast and innovator, was one of the greatest blues players ever.• She is an iconoclast who became a grumpy conservative, rejecting the modern industrial world in a grand wholesale manner.• King, who won election to the House in 1992, has always been something of an iconoclast in Republican politics.• A wanderer, an iconoclast, whose mind had only been matched by his eccentricity.• Either we become regarded as gratuitously destructive iconoclasts, or the shepherd himself becomes suspect for having withheld information.• The events of May 1968 inflated still further the Sartrean myth of Nizan the youthful iconoclast.Origin iconoclast (1600-1700) Medieval Latin iconoclastes, from Greek eikon ( → ICON) + klan “to break”