Unintelligible rhymes with:
intelligible, intelligible, intelligible, eligible, intelligible, eligible, intelligible, knowledgeable, negligible, corrigible, eligible, incorrigible, intelligible, knowledgeable, negligible
intelligible, intelligible, intelligible, eligible, intelligible, eligible, intelligible, knowledgeable, negligible, corrigible, eligible, incorrigible, intelligible, knowledgeable, negligible