nonindulgent
proper
strict
Albigensian
Catharist
Franciscan
Quakerish
Sabbatarian
Trappist
Victorian
Waldensian
abstinent
anchoritic
ascetic
austere
bigoted
censorious
choicy
choosy
conscientious
creedbound
critical
demure
discriminating
discriminative
dogmatic
dour
eremitic
evangelical
exacting
fastidious
firm
flagellant
fundamentalist
hard
hidebound
hyperorthodox
impliable
inexorable
inflexible
iron
ironbound
ironclad
ironhanded
literalist
literalistic
mendicant
meticulous
mid-Victorian
muscle-bound
narrow
obdurate
obstinate
ashen
atheistical
decorous
egalitarian
glum
heretical
intolerant
judeo-christian
monastic
monotheistic
morose
narrow-minded
orthodox
puritanic
republican
sanctimonious
sectarian
superstitious
theistic
uncompromising
botanical
electromechanical
mechanical
tyrannical