Cottons to is a phrase that may be unfamiliar to many people. However, in certain contexts, it refers to developing an affinity or understanding for something. Antonyms for cottons to could include phrases such as "rejects" or "avoids." These words suggest a lack of interest or outright disdain for the subject at hand. Alternatively, "unfamiliar with" or "unacquainted with" could be used, indicating a lack of exposure or experience with the topic. As with many words and phrases, the appropriate antonym for cottons to will depend on the nuances of the context in which it is being used.