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Perfect active participle of the unattested verb *perior, a root found in experior (try, test, experience). Cognate with περᾰ́ω (peráō, to pass through).


  • (Classical) IPA(key): /peˈriː.tus/, [pɛˈɾiːt̪ʊs̠]
  • (Ecclesiastical) IPA(key): /peˈri.tus/, [pɛˈɾiːt̪us]
  • (file)


perītus (feminine perīta, neuter perītum, comparative perītior, superlative perītissimus, adverb perītē); first/second-declension adjective

  1. skillful, skilled, expert, experienced, practised
  2. clever, skilfully constructed


First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative perītus perīta perītum perītī perītae perīta
Genitive perītī perītae perītī perītōrum perītārum perītōrum
Dative perītō perītō perītīs
Accusative perītum perītam perītum perītōs perītās perīta
Ablative perītō perītā perītō perītīs
Vocative perīte perīta perītum perītī perītae perīta

Derived terms[edit]


  • Catalan: perit, pèrit
  • Galician: perito
  • Italian: perito
  • Piedmontese: perì
  • Portuguese: perito
  • Spanish: perito


  • peritus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • peritus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • peritus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • peritus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • an accomplished dialectician: disserendi peritus et artifex
    • a connoisseur; a specialist: (artis, artium) intellegens, peritus (opp. idiota, a layman)
    • statesmen: viri rerum civilium, rei publicae gerendae periti or viri in re publica prudentes