Unreversed is a word that implies something that has not been turned back or reversed. It is a term that is not used commonly and thus, finding its synonyms can be a little tricky. However, some of the possible synonyms for unreversed could be the words unchanged, unaltered, unaffected, undisturbed, unmodified, untransformed, unshifted, or unmoved. All of these terms describe something that has remained in its original state or condition and has not been altered or turned back. So, if you want to use a synonym for unreversed in your writing, you can use any of the above-mentioned words to convey the same message.