English Explanatory Dictionary

optimistic

English dictionary entry

Meanings

adj
  1. Expecting the best in all possible ways.
  2. Allowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be written back.

Pronunciation

/ˌɒptɪˈmɪstɪk/ LL-Q1860 (eng)-Vealhurl-optimistic.wav /ˌɑptɪˈmɪstɪk/

Word forms

optimistic more optimistic most optimistic

Etymology

From optimist + -ic.

Synonyms

upbeat rosy

Antonyms

pessimistic

Related words

optimal optimism optimist

Derived words

cyberoptimistic hyperoptimistic nonoptimistic optimistically optimistic concurrency overoptimistic over-optimistic skeptimistic superoptimistic ultraoptimistic unoptimistic
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