Inaccordance is a term used to refer to following or complying with a specific set of rules, regulations, or standards. Some of the synonyms that can be used instead of inaccordance include accordance, compliance, conformity, agreement, adherence, observance, and conformity to name a few. These words indicate that something is done as per the set regulations or standards. In contrast, some antonyms of the word include nonconformity, rebellion, noncompliance, and discordance. It is important to choose the right synonym to convey the intended meaning in the context. Synonyms come in handy while drafting legal documents, contracts, and compliance reports, where precision is key.