The phonetic transcription of "unutterable" is /ʌnˈʌtərəbəl/ in British English and /ʌnˈʌtərəbəl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "unutterable": unspeakable, indescribable, ineffable, unexpressible.
Example usage of "unutterable": "The pain was unutterable, making her cry.". More examples on the page.