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From ācer (sharp).


  • (Classical) IPA(key): /aˈker.bus/, [aˈkɛr.bʊs]
  • (Ecclesiastical) IPA(key): /aˈt͡ʃer.bus/, [aˈt͡ʃɛr.bus]
  • (Ecclesiastical)


acerbus (feminine acerba, neuter acerbum, comparative acerbior, superlative acerbissimus, adverb acerbē); first/second-declension adjective

  1. (of taste) harsh, bitter, unripe
  2. (of a person) rough, violent, severe, grievous, bitter
  3. oppressive


First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative acerbus acerba acerbum acerbī acerbae acerba
Genitive acerbī acerbae acerbī acerbōrum acerbārum acerbōrum
Dative acerbō acerbō acerbīs
Accusative acerbum acerbam acerbum acerbōs acerbās acerba
Ablative acerbō acerbā acerbō acerbīs
Vocative acerbe acerba acerbum acerbī acerbae acerba

Derived terms[edit]


  • Catalan: acerb
  • Dalmatian: garb
  • English: acerb, acerbic
  • French: acerbe
  • Galician: acerbo


  • acerbus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • acerbus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • acerbus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to cause any one very acute pain: acerbum dolorem alicui inurere
    • (ambiguous) he has had many painful experiences: multa acerba expertus est
    • (ambiguous) to demand payment: pecuniam exigere (acerbe)
    • (ambiguous) to exact the taxes (with severity): vectigalia exigere (acerbe)