inexpressible

Impossible to express.

Not expressible; incapable of being expressed; that cannot be uttered or represented in words; unspeakable; unutterable.

Synonyms Unspeakable, indescribable, ineffable.

Trousers; “unmentionables.”.

Not capable of expression or utterance in language; ineffable; unspeakable; indescribable; unutterable.