'unknown destiny' is both correct and usable in written English.
It usually refers to something that is uncertain and unpredictable in terms of outcome. For example, "He was determined to pursue his unknown destiny, no matter what the cost."
IT IS an odd thing when a nation of 84m people lumbers towards a precise appointment with a wholly unknown destiny.
But the character who ends up being most intriguing is poor nonhuman Phil, whose unknown destiny gives the book a tinge of sorrow.
I always remember that I am a temporary visitor in a living and vibrant landscape; a landscape that offers both guest and host alike the necessary support as we measure our progress towards a planned, but ultimately unknown, destiny.
The case he has been investigating involves the unknown destiny of one Rose Janko, and Ray has been asked to undertake a search for her because he has Gypsy blood.
With a few meager possessions, we hurry out the door running to an unknown destiny.
We spoke via video chat with a prisoner who described the conditions in the facility, and visited his family to discuss their unknown destiny.
It can evoke hidden lives, unknown destinies, unseen histories, forgotten voices.
But as soon as he died, she took off for the unknown, finding her destiny in the Middle East.
Asked about his philosophy of life, Mr. Aleixandre said: "Man was born into this world in fear of a destiny unknown.
As the traffic cleared, I saw the white convertible soaring past me, headed to a destiny unknown.
Karmal observed in the spring of 1983 that without Soviet intervention, "It is unknown what the destiny of the Afghan Revolution would be .
