survival

/səˈvaɪvəl/ noun [U]

Definition

› the state of continuing to exist, and not to fail or be destroyed: His main concern is to ensure his own political survival. The survival of the company in such difficult economic times is very uncertain.

survival of the fittest › the idea that only the strongest can succeed: Unfettered competition has led to survival of the fittest, with a few large companies reaping huge profits while small companies have been driven out of business.

(Definition of survival noun from the Cambridge Business English Dictionary © Cambridge University Press)