What is the antonym of "optimism"?

Urdu Translation: امید، رجائیت — Meaning: Optimism means a hopeful and positive attitude toward life and future outcomes. It reflects expecting good results even in difficult situations. Example sentence: “Her optimism helped her overcome challenges.” Other Synonyms: hopefulness, positivity, confidence, cheerfulness. Usage Insight: The word emphasizes positive expectation and hopeful thinking.