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See also: Senectus


Etymology 1[edit]

From senex (old) +‎ -tus (adjective-forming suffix).



senectus (feminine senecta, neuter senectum); first/second declension

  1. aged, very old

First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative senectus senecta senectum senectī senectae senecta
genitive senectī senectae senectī senectōrum senectārum senectōrum
dative senectō senectō senectīs
accusative senectum senectam senectum senectōs senectās senecta
ablative senectō senectā senectō senectīs
vocative senecte senecta senectum senectī senectae senecta
Derived terms[edit]

Etymology 2[edit]

From senex (old) +‎ -tūs (abstract noun-forming suffix)



senectūs f (genitive senectūtis); third declension

  1. old age
    • 1781, C. W. Kindleben, Gaudeamus igitur
      Post molestam senectutem
      "After a troubling old age"

Third declension.

Case Singular Plural
nominative senectūs senectūtēs
genitive senectūtis senectūtum
dative senectūtī senectūtibus
accusative senectūtem senectūtēs
ablative senectūte senectūtibus
vocative senectūs senectūtēs


  • senectus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • senectus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • du Cange, Charles (1883), “senectus”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • senectus 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.
    • to be worn out by old age: senectute, senio confectum esse
    • to live to a very great age: ad summam senectutem pervenire
    • old age creeps on us insensibly: senectus nobis obrēpit