Beyond the fringe is an idiom used to indicate something that is unconventional, extreme, or beyond the mainstream. Synonyms for this phrase include beyond the pale, outlandish, outrageous, eccentric, and unconventional. These words are used to describe something that is outside the boundaries of what is considered normal or acceptable. Beyond the pale refers to something that is beyond the limits of acceptable behavior or standards. Outlandish describes something that is bizarre or strange and outside the norms of society. Outrageous and eccentric both imply something that is beyond the ordinary or conventional. Lastly, unconventional refers to something that is not in conformity with the usual practices or methods. All of these synonyms effectively convey the idea of something that is beyond the fringe, serving as useful alternatives when expressing this concept.