Definition of Manichaean
1 : a believer in a syncretistic religious dualism originating in Persia in the third century a.d. and teaching the release of the spirit from matter through asceticism
2 : a believer in religious or philosophical dualism
Origin and Etymology of manichaean
Late Latin manichaeus, from Late Greek manichaios, from Manichaios Manes diedab a.d. 276 Persian founder of the sect
First Known Use: 1556
Seen and Heard
What made you want to look up Manichaean? Please tell us where you read or heard it (including the quote, if possible).