A tendency to see the worst aspect of things or believe that the worst will happen.

A belief that bad things will happen; a negative outlook.

निराशावाद

English Usage: The constant pessimism in her discussions discouraged her colleagues.

Hindi Usage: उसकी चर्चाओं में निरंतर निराशावाद ने उसके सहयोगियों को हतोत्साहित कर दिया.