If you describe someone or their words or ideas as iconoclastic, you mean that they contradict established beliefs.
例句
Is it utopian to hope that such iconoclastic ideas will gain ground?...希望如此有悖传统观念的思想会发展普及,这是不是太理想化了?His iconoclastic tendencies can get him into trouble.他与传统信仰相悖的思想倾向可能会给他带来麻烦。
英英词典释义
Adjective
1. characterized by attack on established beliefs or institutions