
1) DC Comics alien 2) DC Comics supervillain 3) Extraterrestrial supervillain 4) Fictional dictator 5) Fictional mass murderer 6) Mind control in fiction
Found on
https://www.crosswordclues.com/clue/despero

Latin, meaning: to be without hope, despair / despair of, give up.
Found on
http://archives.nd.edu/ddd.htm

Latin, meaning: to have no hope, despair, give up.
Found on
http://archives.nd.edu/ddd.htm

to be without hope, despair / despair of, give up.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html

to have no hope, despair, give up.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.