The antonyms for the phrase "latches on to" can vary depending on the context in which it is used. If it refers to a person or an animal, terms like "releases," "lets go," or "detaches" can be used. In business, one could use terms like "relinquishes," "severs," or "dissolves" to describe the opposite of latching on to a particular idea or trend. Socially, antonyms for the phrase might include terms such as "rejecting," "ignoring," or "abandoning." Whatever the context or situation, the antonyms for "latches on to" often involve the notion of freeing oneself from a particular object, idea, or perception.