
Latin, meaning: foul, ugly, disgraceful, morally corrupt.
Found on
http://archives.nd.edu/ttt.htm

turpis In the civil law, base; mean; vile; disgraceful; infamous; unlawful. Applied both to things and persons. —Blacks's Law Dictionary by Henry Campbell Black, M.A.; West Publishing Co.; St. Paul, Minn.; 1990.
Found on
http://www.wordinfo.info/words/index/info/view_unit/3882/

foul, ugly, disgraceful, morally corrupt.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.