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English definition of “pessimism”

pessimism

noun [U] uk   /ˈpes.ɪ.mɪ.zəm/ us  
emphasizing or thinking of the bad part of a situation rather than the good part, or the feeling that bad things are more likely to happen than good things: There is now a mood of deepening pessimism about/over the economy. An underlying pessimism infuses all her novels.
Opposite
Not hopeful
pessimist
noun [C] uk   /-mɪst/ us  
Don't be such a pessimist!Not hopeful
(Definition of pessimism from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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