unutterable

[ uhn-uht-er-uh-buh l ]
/ ʌnˈʌt ər ə bəl /

adjective

not communicable by utterance; unspeakable; beyond expression: unutterable joy.
not utterable; not pronounceable: an unutterable foreign word.

Origin of unutterable

1580–90; un-1 + utterable

OTHER WORDS FROM unutterable

un·ut·ter·a·bly, adverb

Example sentences from the Web for unutterable

British Dictionary definitions for unutterable

unutterable
/ (ʌnˈʌtərəbəl) /

adjective

incapable of being expressed in words

Derived forms of unutterable

unutterableness, noun unutterably, adverb