pessimism | sense examples, Usage and Definition from wordnet dictionary online

Noun pessimism has 2 senses

pessimism - the feeling that things will turn out badly
--₁ is a kind of despair
Antonyms: optimism
--₁ has particulars: cynicism
pessimism - a general disposition to look on the dark side and to expect the worst in all things
--₂ is a kind of disposition, temperament
Antonyms: optimism

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