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English definition of “pessimism”

pessimism

noun [U]  /ˈpes·əˌmɪz·əm/ us  
the tendency to see the bad side of things or to expect the worst in any situation: There has been a mood of growing pessimism about the nation’s economy.
pessimist
noun [C]  /ˈpes·ə·mɪst/ us  
How come you’re such a pessimist?
(Definition of pessimism from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of pessimism?
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