perfidus

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Latin[edit]

Etymology[edit]

From per (through, along) + fidēs (faith; trust).

Pronunciation[edit]

Adjective[edit]

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

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

Inflection[edit]

First/second declension.

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 perfidae perfidō perfidīs perfidīs perfidīs
accusative perfidum perfidam perfidum perfidōs perfidās perfida
ablative perfidō perfidā perfidō perfidīs perfidīs perfidīs
vocative perfide perfida perfidum perfidī perfidae perfida

Antonyms[edit]

Derived terms[edit]

Related terms[edit]

Descendants[edit]

References[edit]

  • perfidus in Charlton T. Lewis & Charles Short, A Latin Dictionary, Oxford: Clarendon Press, 1879