Wiktionary
ultra-orthodox
a. (context of a Jew English) Very strictly observant; Haredi; being either Hasidic or Litvish (Misnagdic).
Usage examples of "ultra-orthodox".
Not all of the bodies lying there were those of ultra-orthodox Chalcedon monks.
Buried beneath that mound of wooden beams and sundried brick were the bodies of perhaps a hundred ultra-orthodox monks.