Here's what rhymes with unitelligible.
                        
                        
                    
                                intelligible  unintelligible  Words that almost rhyme with unitelligible
heritable  inheritable  negligible  irrevocable  revocable  penetrable  pensionable  predicable  impenetrable  impressionable  questionable  objectionable  demonstrable  pestilential  exceptionable  unquestionable  unexceptionable  unobjectionable  unmentionable