anti-miscegenation
adjective
an·ti-mis·ce·ge·na·tion 
ˌan-tē-(ˌ)mi-ˌse-jə-ˈnā-shən,
-ˌmi-si-jə-ˈnā-,
ˌan-tī- variants or antimiscegenation
: opposing or prohibiting miscegenation
In many states anti-miscegenation laws made it a crime for two people of different races to have a relationship or engage in intimate activities.
Sue Leeman
Sue Leeman
Word History
First Known Use
1870, in the meaning defined above