The term "clave to" is often used to refer to something that is essential, crucial or pivotal to a particular matter or situation. Therefore, the antonyms or opposites of "clave to" would be words that signify something insignificant, unimportant, or unnecessary. Some antonyms of "clave to" include trivial, optional, extraneous, peripheral or incidental. These words denote something that is not crucial or essential for a given context. For instance, in an organization, certain roles or tasks may be deemed "clave to" the company's success, while others may be peripheral or incidental to the company's operations. Thus, understanding the antonyms of "clave to" can help in determining the importance and relevance of different aspects of a situation or matter.