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Alternative forms[edit]


From imperium (empire, imperial government) +‎ -ōsus, from imperō (command, order), from im- (form of in) + parō (prepare, arrange; intend).



imperiōsus (feminine imperiōsa, neuter imperiōsum); first/second declension

  1. mighty, powerful, puissant, commanding
  2. imperious, domineering, tyrannical, dictatorial


First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative imperiōsus imperiōsa imperiōsum imperiōsī imperiōsae imperiōsa
genitive imperiōsī imperiōsae imperiōsī imperiōsōrum imperiōsārum imperiōsōrum
dative imperiōsō imperiōsō imperiōsīs
accusative imperiōsum imperiōsam imperiōsum imperiōsōs imperiōsās imperiōsa
ablative imperiōsō imperiōsā imperiōsō imperiōsīs
vocative imperiōse imperiōsa imperiōsum imperiōsī imperiōsae imperiōsa

Derived terms[edit]

Related terms[edit]



  • imperiosus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • imperiosus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • du Cange, Charles (1883), “imperiosus”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • imperiosus” in Félix Gaffiot’s Dictionnaire Illustré Latin-Français, Hachette (1934)
  • imperiosus in William Smith, editor (1848) A Dictionary of Greek Biography and Mythology, London: John Murray