›emphasizing or thinking of the bad part of a situation rather than the good part, or the feeling that bad things are more likely to happen than good things: There is now a mood of deepening pessimism about/over the economy.An underlying pessimism infuses all her novels.→ OppositeoptimismNot hopefulpessimist
/-mɪst/noun[C]›Don't be such a pessimist!Not hopeful