Definify.com
Definition 2024
perfidus
perfidus
Latin
Adjective
perfidus m (feminine perfida, neuter perfidum); first/second declension
- That breaks his promise; faithless, false, dishonest, treacherous, perfidious, deceitful.
- (by extension) Treacherous, unsafe, dangerous.
Inflection
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 | perfidō | perfidīs | ||||
| accusative | perfidum | perfidam | perfidum | perfidōs | perfidās | perfida | |
| ablative | perfidō | perfidā | perfidō | perfidīs | |||
| vocative | perfide | perfida | perfidum | perfidī | perfidae | perfida | |
Antonyms
Derived terms
Related terms
Descendants
- English: perfidious
- French: perfide
- Italian: perfido
- Portuguese: pérfido
- Spanish: pérfido
References
- perfidus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- perfidus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- Félix Gaffiot (1934), “perfidus”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.