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Bitterness vs Asperity - What's the difference?

bitterness | asperity |

As nouns the difference between bitterness and asperity

is that bitterness is the quality of having a bitter taste while asperity is roughness as of stone or weather.

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

    asperity

    English

    Noun

    (asperities)
  • Roughness as of stone or weather.
    • asperity of Maine's winter
  • Harshness, as of temper.
  • * 1878 : :
    • Go, ribald, get you hence
    To your cabin with celerity.
    This is the consequence
    Of ill-advised asperity !
  • Something that is harsh and difficult to endure.
  • (geology) A part of a geological fault line that does not move.
    • Earthquakes begin and end at asperities .