optimistic

形容词 adj.
中文释义
英 /ˌɒptɪˈmɪstɪk/    美 /ˌɑptɪˈmɪstɪk/|/ˌɑptəˈmɪstɪk/

英文释义

形容词 adj.
  1. Expecting the best in all possible ways.
    — in an optimistic mood
  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.
    — optimistic concurrency

词形变化

more optimistic comparative most optimistic superlative

词汇关系

衍生词
cyberoptimistic hyperoptimistic nonoptimistic optimistically optimistic concurrency overoptimistic over-optimistic skeptimistic superoptimistic ultraoptimistic unoptimistic
相关词
optimal optimism optimist

词源

Etymology tree
Proto-Indo-European *h₁ep-der.
Proto-Indo-European *h₁épsder.
Proto-Indo-European *h₁epi
Proto-Indo-European *-tm̥mos
?
Latin optimus
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Indo-European *-mos
Proto-Indo-European *-mós
Ancient Greek -μός (-mós)
Ancient Greek -ῐσμός (-ĭsmós)der.
Latin -ismusbor.
French -isme
French optim(isme)
▲
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Hellenic *-tās
Ancient Greek -τής (-tḗs)
Ancient Greek -ῐστής (-ĭstḗs)bor.
Latin -istabor.
French -iste
French optimistebor.
English optimist
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English optimistic
From optimist + -ic.
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