IPA: /nɒnˈɔːθədɒks/
KK: /nɑnˈɔrθədɑks/
Not following traditional or established beliefs or practices.
Her nonorthodox approach to teaching inspired many students to think differently.
Nonorthodox → It is formed from "non-" (meaning not) and "orthodox" (from Greek "orthodoxos", where "ortho-" means correct or straight and "doxa" means opinion or belief). The word "nonorthodox" means not adhering to accepted or traditional beliefs or opinions.
Think of 'not' ('non-') following 'correct belief' ('orthodox') — that's why nonorthodox means not following traditional beliefs.