inutterable

From in- +‎ utterable.

• IPA^(key): /ɪnˈʌtəɹəbl̩/

inutterable (comparative more inutterable, superlative most inutterable)

1. Unutterable; inexpressible.

• See also Thesaurus:indescribable

• inutterably

• “inutterable”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• terbutaline