ENGLISH
REFERENCE

optimistic

adj.
US //ˌɑptəˈmɪstɪk// UK //ˌɒptɪmˈɪstɪk// op·ti·mistic
  1. 1 hopeful and positive (adj.)
    B2 Upper Intermediate

    feeling or showing hope that good things will happen in the future.

    characterised by a hopeful and confident outlook regarding the future or the success of a specific outcome.

    Example

    She is optimistic that she will find a new job by the end of the month.

    Example

    Despite the recent economic downturn, the CEO remained optimistic about the company's long-term growth prospects in the emerging markets.

  2. 2 computing/data handling (adj.)
    C1 Advanced Technical Computing

    a way of managing data that lets many people make changes at once, assuming they won't clash.

    relating to a concurrency control method that allows multiple transactions to proceed without locking data, checking for conflicts only at the point of commit.

    Example

    The app uses an optimistic approach to save your notes quickly without making you wait.

    Example

    By implementing optimistic concurrency control, the developers significantly reduced database contention during peak usage hours.

    Usage

    Often used in the phrase 'optimistic locking' or 'optimistic concurrency control'.

    • non locking
Origin

From optimist + -ic.

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