Incommunicable (adjective)

Not able to be shared or communicated.

Origin:

From late middle english, from latin incommunicabilis, from in- "not" + communicabilis "able to be shared".

Examples:

1. The company's management is in possession of certain incommunicable information.
2. The incommunicable privacy of one's innermost thoughts.
3. The feelings of pain, love and other emotions are incommunicable.
4. We can't share the incommunicable knowledge that he has.
5. It was a moment of incommunicable beauty.