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Bitterness vs Pessimism - What's the difference?

bitterness | pessimism |

As nouns the difference between bitterness and pessimism

is that bitterness is the quality of having a bitter taste while pessimism is a general belief that bad things will happen.

bitterness

English

Noun

  • the quality of having a bitter taste
  • the quality of feeling bitter; acrimony, resentment
  • Synonyms

    * (quality of being bitter in taste) acerbicness, acridity, acridness * (quality of feeling bitter) acrimony, gall, rancor/rancour, resentment

    pessimism

    Noun

    (en-noun)
  • A general belief that bad things will happen.
  • The doctrine that this world is the worst of all possible worlds.
  • Antonyms

    * optimism