fortissimus
fortissimus is a Latin form of fortis, meaning “brave, strong”. It is the nominative singular masculine superlative adjective.
Found 64 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 4.12.4: in his vir fortissimus Piso Aquitanus, amplissimo genere natus, cuius avus in civitate sua regnum obtinuerat amicus a senatu nostro appellatus.
Lucan, Civil War 7.105: Venturi timor ipse mali. Fortissimus ille est,
All forms of fortis (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.