improba

improba is a Latin form of improbus, meaning “wicked, shameless”. It is the ablative singular feminine adjective.

Found 91 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Gallico 1.17.2: Hos seditiosa atque improba oratione multitudinem deterrere, ne frumentum conferant quod debeant:

All forms of improbus (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.