Pi·e·tis·tic Pi·e·tis·tic·al a. Of or pertaining to the Pietists; hence, in contempt, affectedly or demonstratively religious.
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  pietistical
       adj 1: of or relating to Pietism; "the Pietistic movement" [syn: pietistic]
       2: excessively or hypocritically pious; "a sickening
          sanctimonious smile" [syn: holier-than-thou, pietistic,
           pharisaic, pharisaical, sanctimonious, self-righteous]