Iconoclastically is an adverb that describes behavior that is critical of established beliefs, customs, or institutions. Synonyms for iconoclastically might include rebelliously, nonconformist, iconoclastic, or unorthodox. Other possible synonyms could include bold, daring, unconventional, dissenting, maverick, or pioneering. Someone who behaves iconoclastically might also be described as revolutionary, innovative, or pioneering. Regardless of the specific term used, it is clear that someone who approaches ideas and institutions with an iconoclastic attitude is someone who questions assumptions, challenges authority, and seeks to bring about change in the world around them.