The phrase "beneath criticism" refers to something that is not worthy or deserving of criticism for being too insignificant, petty, or unimportant. There are several synonyms for this phrase, including beneath notice, beneath contempt, insignificant, trivial, unimportant, and petty. These words indicate that the subject in question does not merit attention, consideration, or evaluation. Likewise, they suggest that something is too trivial or insignificant to matter or is not worthwhile to be highlighted. Therefore, if something is described as being "beneath criticism," it implies that it does not deserve to be analyzed or critiqued in any way.