icon·o·clast 
/aɪˈkɑ:nəˌklæst/ noun
plural icon·o·clasts /aɪˈkɑ:nəˌklæst/ noun [count] formal : a person who criticizes or opposes beliefs and practices that are widely accepted
— icon·o·clasm /aɪˈkɑ:nəˌklæzəm/ noun [noncount]
▪ The iconoclasm of his views made him unpopular.
/aɪˈkɑ:nəˌklæzəm/ noun [noncount] ▪ The iconoclasm of his views made him unpopular.
— icon·o·clast·ic /aɪˌkɑ:nəˈklæstɪk/ adjective [more iconoclastic; most iconoclastic]
▪ iconoclastic theories
▪ iconoclastic theories
— icon·o·clast·ic·al·ly /aɪˌkɑ:nəˈklæstɪkli/ adverb
