pessimistic
adj/ˌpɛ.səˈmɪs.tɪk/
Etymology From pessimist + -ic.
1
Marked by pessimism and little hopefulness; expecting the worst.
- a pessimistic view of the future
2
Pertaining to the worst-case scenario.
- a pessimistic estimate
- However pessimistic their predictions, most scientists and scholars who warn of impending disaster are really acting from antidystopian motives.1996, George Thomas Kurian, Graham Thomas Tate Molitor, Encyclopedia of the future, volume 1, page 212:
3
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Taking out exclusive locks on data to prevent conflicts with other processes that might modify it.
- pessimistic concurrency; pessimistic locking
- Antonyms
- optimistic