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fortissimus (superlative of fortis)

  1. strongest, most or very strong or powerful
  2. bravest, most or very brave or courageous


First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative fortissimus fortissima fortissimum fortissimī fortissimae fortissima
genitive fortissimī fortissimae fortissimī fortissimōrum fortissimārum fortissimōrum
dative fortissimō fortissimō fortissimīs
accusative fortissimum fortissimam fortissimum fortissimōs fortissimās fortissima
ablative fortissimō fortissimā fortissimō fortissimīs
vocative fortissime fortissima fortissimum fortissimī fortissimae fortissima


  • du Cange, Charles (1883), “fortissimus”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • fortissimus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français [Illustrated Latin-French Dictionary], Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • a hero: vir fortissimus