Is it illegible or not legible?
illegible in American English (ɪˈledʒəbəl) adjective. not legible; impossible or hard to read or decipher because of poor handwriting, faded print, etc.
illegible in American English (ɪˈledʒəbəl) adjective. not legible; impossible or hard to read or decipher because of poor handwriting, faded print, etc.