unutterable

adjective un·ut·ter·able \ˌən-ˈə-tə-rə-bəl\

: too strong or great to be expressed or described

Full Definition of UNUTTERABLE

: being beyond the powers of description : inexpressible <an unutterable tragedy>

— un·ut·ter·ably \-blē\ adverb

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circa 1586

Synonyms: incommunicable, indefinable, ineffable, inenarrable, inexpressible, nameless, uncommunicable, unspeakable, indescribable

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