Definition of miscegenationist in English:

miscegenationist

Pronunciation /ˌmɪsɪdʒɪˈneɪʃ(ə)nɪst/ /mɪˌsɛdʒɪˈneɪʃənɪst/

noun

  • A person who supports or favours miscegenation.

adjective

  • Favouring miscegenation.

Origin

Mid 19th century; earliest use found in New York Weekly Day-book. From miscegenation + -ist.