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Perfect passive participle of doceō (I teach).



doctus (feminine docta, neuter doctum, comparative doctior, superlative doctissimus); first/second-declension participle

  1. having been taught, instructed, trained
  2. (drama) having been rehearsed, presented on stage


First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative doctus docta doctum doctī doctae docta
Genitive doctī doctae doctī doctōrum doctārum doctōrum
Dative doctō doctō doctīs
Accusative doctum doctam doctum doctōs doctās docta
Ablative doctō doctā doctō doctīs
Vocative docte docta doctum doctī doctae docta




  • Old French: doit, duit
    • French: duit (archaic or dialectal, Normandy)
  • Italian: dotto
  • Portuguese: douto
  • Spanish: ducho
  • Catalan: docte
  • French: docte
  • Portuguese: docto
  • French: docto
  • Welsh: doeth


  • doctus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • doctus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • doctus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • doctus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
  • Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • a man of considerable learning for those times: vir ut temporibus illis doctus
    • schooled by adversity: calamitate doctus
    • learned, scientific, literary men: homines docti
    • a man of learning; a scholar; a savant: vir or homo doctus, litteratus
    • many learned men; many scholars: multi viri docti, or multi et ii docti (not multi docti)
    • all learned men: omnes docti, quivis doctus, doctissimus quisque
    • no man of learning: nemo doctus
    • no one with any pretence to education: nemo mediocriter doctus
    • acquainted with the Latin language: latinis litteris or latine doctus
    • a good Latin scholar: bene latine doctus or sciens
    • a (competent, intelligent, subtle) critic: existimator (doctus, intellegens, acerrimus)
  • doctus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers