unreformed

adjective

1. amended by removal of faults, abuses, etc.
2. improved in conduct, morals, etc.
3. (initial capital letter) noting or pertaining to Protestant churches, especially Calvinist as distinguished from Lutheran.

adjective

1. of or designating a Protestant Church, esp the Calvinist as distinct from the Lutheran
2. of or designating Reform Judaism

adj.1520s, from un- (1) “not” + past participle of reform.