pessimism

n. 1 tendency to be gloomy or expect the worst. 2 philos. Belief that this world is as bad as it could be or that all things tend to evil.  pessimist n. Pessimistic adj. Pessimistically adv. [latin pessimus worst]

n. The opinion or doctrine that everything in nature is ordered for or tends to the worst, or that the world is wholly evil; -- opposed to optimism.