pessimi
pessimi is a Latin form of malus, meaning “bad, evil”. It is the genitive singular neuter superlative adjective.
Found 25 times in the Latin texts on Socratos.
Where it is used
Cicero, Letters to his Friends 12.13.4: Dolabellam ut Tarsenses, pessimi socii, ita Laudiceni multo amentiores ultro arcessierunt; ex quibus utrisque civitatibus Graecorum militum nu …
Plautus, Captivi 2.1.235: éx bonis péssimi et fraúdulentíssimi
All forms of malus (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.