Pessimism

Negative generalized outcome expectancies; an individual difference reflecting the extent to which people hold generalized unfavourable expectancies for their future *Note that this definition considers optimism and pessimism to be unidimensional, although there is evidence to suggest that they are partially independent constructs.

Reference:
Scheier, M. F., & Carver, C. S. (1985). Optimism, coping, and health: assessment and implications of generalized outcome expectancies. Health Psychology, 4(3), 219-247. doi: 10.1037/0278-6133.4.3.219

Carver, C. S., Scheier, M. F., & Segerstrom, S. C. (2010). Optimism. Clinical Psychology Review, 30(7), 879-889: 10.1016/j.cpr.2010.01.006.

Chang, E. C., Maydeu-Olivares, A., & D'Zurilla, T. J. (1997). Optimism and pessimism as partially independent constructs: Relationship to positive and negative affectivity and psychological well-being. Personality and Individual Differences, 23(3), 433-440. doi: 10.1016/S0191-8869(97)80009-8.