The term "most eighty-sixed" means, to discard or get rid of something completely. Some antonyms of this phrase include "preserve, keep, retain, or treasure." When you preserve something, you make sure it lasts or remains. It is saved from decay, loss, or deterioration. On the other hand, keeping or retaining something means to continue holding it, keeping it in possession, or storing it. Furthermore, if you treasure something, you value, cherish, or hold it dear. So Instead of getting rid of or discarding something, we can choose to preserve, keep, retain, or treasure it.