perfida

perfida is a Latin form of perfidus, meaning “faithless, treacherous”. It is the nominative singular feminine adjective or vocative singular feminine adjective.

Found 53 times in the Latin texts on Socratos.

Where it is used

Ovid, Amores 1.14.40: Non anus Haemonia perfida lavit aqua;

Lucan, Civil War 5.415: Perfida nubiferi vetat inconstantia veris.

All forms of perfidus (declension table)

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.