insana
insana is a Latin form of insanus, meaning “mad, insane; wild, outrageous”. It is the nominative singular feminine adjective.
Found 38 times in the Latin texts on Socratos.
Where it is used
Vergil, Aeneid 9.760: sed furor ardentem caedisque insana cupido
All forms of insanus (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.