Puritanic

[…] maximism of the Cluniacs on the one hand and the minimism of puritanic Cistercianism on the other.

Source: wiktionary

After Louise had gone, I inspected the icebox, and finding it much too puritanic, walked to town and bought the richest foods available.

Source: wiktionary

Lucy, who had only seen her in either the large loose wrapping dress of serge, or in the quaint simplicity of the Puritanic garb, then so general in England, could not restrain an exclamation of admiration as she returned to their chamber.

Source: wiktionary

This personage prefigured and represented in his aspect the whole dismal severity of the Puritanic code of law, which it was his business to administer in its final and closest application to the offender.

Source: wiktionary