Latin

Adjective

inofficiōsus m ‎(feminine inofficiōsa, neuter inofficiōsum); first/second declension

1. undutiful, inofficious
   1. in general:
      1. not observant of his duty, undutiful

         hūmāna gēns inofficiōsa Deī‎

         the human race fails in its duty to God

         lībertus inofficiōsus patrōnō‎

         the freedman is undutiful toward his patron

      2. (of a thing) contrary to one’s duty

         testāmentum inofficiōsum‎

         a will in which nothing is left to, or which adversely affects, one’s nearest relatives, children, etc.

   2. (in particular) not obliging, disobliging
2. (Medieval Latin, of a charter or deed) null and void

Declension

First/second declension.

Derived terms

• inofficiōsitās

Descendants

• English: inofficious
• French: inofficieux

References

• ĭnoffĭcĭōsus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• inofficiosus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• INOFFICIOSUS in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• Félix Gaffiot (1934), “ĭnoffĭcĭōsus”, in Dictionnaire Illustré Latin-Français, Paris: Hachette, page 824/3.
• Jan Frederik Niermeyer, Mediae Latinitatis Lexicon Minus : Lexique Latin Médiéval–Français/Anglais : A Medieval Latin–French/English Dictionary, fascicle I (1976), page 540/2, “inofficiosus”