The antonyms for the word "more relishable" can vary depending on the context in which it is used. Some of the common antonyms include "unappetizing", "unpalatable", "tasteless", "unsavory", and "bland". These words are used to describe food or dishes that lack flavor or are not enjoyable to eat. Other antonyms of "more relishable" can be "displeasing", "distasteful", "repulsive", and "off-putting". More generally, antonyms for "more relishable" can include "unpleasant", "unappealing", "unenjoyable", "uninviting", and "unenthusiastic". These words are used to describe anything that is not enjoyable or desirable.