inexpressible

adj

1. Unable to be expressed; not able to be put into words.

   “She felt inexpressible contempt for her attackers.”

   “That noise, that awful clamour of uncouthness inexpressible, is the love-call of the storm bird!”

   “She mixed furniture with the same fatal profligacy as she mixed drinks, and this outrageous contact between things which were intended by Nature to be kept poles apart gave her an inexpressible thrill.”