The Collaborative International Dictionary
Priggism
Priggism \Prig"gism\, n.
The quality or state of being priggish; the manners of a prig.
--Ed. Rev.Roguery; thievery. [Obs.]
--Fielding.
Wiktionary
priggism
n. 1 (context obsolete English) The quality or state of being priggish; the manners of a prig. 2 (context obsolete English) roguery; thievery