unsayable

Adjective

unsayable (comparative more unsayable, superlative most unsayable)

1. Not capable of being said.
   • Whatsoever has been said before me, even on any subject, surely it belongs thereto that it can be repeated by me in rehearsal, and hence it does not seem possible that in this sense it should be so fitly called unspeakable or unsayable.1851, John Kitto, The Journal of sacred literature, Oxford University, page 296
   • Nonetheless, in some unsayable way, value sentences are about values and reflect the structure of values.1938, G. E. Moore, Ethics, University of Chicago Press, page 215

   Synonyms:

   inexpressible

2. (rare) Not allowed or not fit to be said.
   • His task: to say the unsayable. To say all the words we have normally suppressed and to say them and say them and say them.1971 June 6, Walter Kerr, “Lenny Lost His Cool . . . (review of Lenny, about comedian Lenny Bruce)”, in New York Times, page D3
   • In Oakland, Rachel Blau's lawn is green because it rained recently. But if there's no rain, "we let it go," she says, bravely adding the unsayable "I don't care how it looks."1991 June 3, John Skow, “Can Lawns Be Justified?”, in Time

   Synonyms:

   taboo, unspeakable