Meaning of “optimism” in the English Dictionary

"optimism" in British English

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optimismnoun [ U ]

uk /ˈɒp.tɪ.mɪ.zəm/ us /ˈɑːp.tə.mɪ.zəm/

C2 the quality of being full of hope and emphasizing the good parts of a situation, or a belief that something good will happen:

There was a note of optimism in his voice as he spoke about the company's future.
They had cause/grounds/reason for cautious optimism about an improvement in her medical condition.
Opposite

More examples

  • In spite of the scale of the famine, the relief workers struggled on with dauntless optimism and commitment.
  • Her optimism seemed to infect all those around her.
  • The prevailing mood is one of optimism.
  • The prime minister's speech was intended to purvey a message of optimism.
  • International support has given rise to a new optimism in the company.

(Definition of “optimism” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"optimism" in American English

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optimismnoun [ U ]

us /ˈɑp·təˌmɪz·əm/

the tendency to be hopeful and to emphasize or think of the good part in a situation rather than the bad part, or the feeling that in the future good things are more likely to happen than bad things:

There was a note of optimism in his voice as he spoke about his recovery.
optimist
noun [ C ] us /ˈɑp·tə·mɪst/

She was an optimist in the face of adversity.
optimistic
adjective us /ˌɑp·təˈmɪs·tɪk/

I’m optimistic that they can work things out.
optimistically
adverb us /ˌɑp·təˈmɪs·tɪ·kli/

White optimistically predicted success.

(Definition of “optimism” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"optimism" in Business English

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optimismnoun [ U ]

uk /ˈɒptɪmɪzəm/ us

the feeling that good things are more likely to happen than bad things:

optimism about/over sth There was a wave of optimism about future earnings of software and internet companies.
Some analysts expressed cautious optimism that this could be a turning point.
reason/cause for optimism
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(Definition of “optimism” from the Cambridge Business English Dictionary © Cambridge University Press)