: a Jewish Christian of the apostolic age who attempted to enforce conformity by all Christians to the precepts and practices of Judaism
the Judaizers … thought that Gentiles, in order to be Christians, should be circumcised—J. W. Hunkin
2
: a member of an heretical group arising in the Russian Orthodox Church in the 15th century and favoring an increased emphasis upon the doctrines and rituals of Judaism
the Judaizers conducted a campaign of subversive activity within the church—Serge Bolshakoff
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