perfidus

LatinEdit

EtymologyEdit

From per (through, along) + fidēs (faith; trust) + -us (adjectival suffix).

PronunciationEdit

AdjectiveEdit

perfidus (feminine perfida, neuter perfidum); first/second-declension adjective

  1. That breaks his promise; faithless, false, dishonest, treacherous, perfidious, deceitful.
  2. (by extension) Treacherous, unsafe, dangerous.

DeclensionEdit

First/second-declension adjective.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
Nominative perfidus perfida perfidum perfidī perfidae perfida
Genitive perfidī perfidae perfidī perfidōrum perfidārum perfidōrum
Dative perfidō perfidō perfidīs
Accusative perfidum perfidam perfidum perfidōs perfidās perfida
Ablative perfidō perfidā perfidō perfidīs
Vocative perfide perfida perfidum perfidī perfidae perfida

AntonymsEdit

Derived termsEdit

Related termsEdit

DescendantsEdit

  • English: perfidious
  • French: perfide
  • Italian: perfido
  • Portuguese: pérfido
  • Spanish: pérfido

ReferencesEdit

  • perfidus in Charlton T. Lewis and Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879
  • perfidus in Charlton T. Lewis, An Elementary Latin Dictionary, New York: Harper & Brothers, 1891
  • perfidus in Gaffiot, Félix, Dictionnaire illustré Latin-Français, Hachette, 1934