genocidal
adjective /ˌdʒenəˈsaɪdl/
/ˌdʒenəˈsaɪdl/
- connected with the murder of a large group of people, especially those of a particular nation or race
- a genocidal regime/act/dictator
Oxford Collocations DictionaryGenocidal is used with these nouns:- maniac
- massacre