pessimistic

/ˌpɛ.səˈmɪs.tɪk/

Marked by pessimism and little hopefulness; expecting the worst.

a pessimistic view of the future

Pertaining to the worst-case scenario.

a pessimistic estimate

Taking out exclusive locks on data to prevent conflicts with other processes that might modify it.

pessimistic concurrency; pessimistic locking

反義詞