pessimism
🇺🇸
/ˈpesɪmɪzəm/
🇬🇧
/ˈpesɪmɪzəm/
the belief that bad things will happen or that something will not work out well
His pessimism about the weather made him think it would rain all day.
彼の天気に対する悲観的な見方が、一日中雨が降るだろうと思わせた。