In-compliancy is a term that often refers to the failure to adhere to a set of guidelines or regulations. When it comes to synonyms, there are several options to choose from that can add variety to your writing. One popular option is noncompliance, which refers to the state of not complying with a rule or standard. Dissidence is another synonym that refers to a state of disagreement or opposition to a rule or regulation. Other options include defiance, disobedience, rebellion, obstinacy, and insubordination. Each of these synonyms offers a slightly different shade of meaning and can be used to bring depth and nuance to your language.