Synonyms and related words :
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, old-maidish, orthodox, overmodest, particular, perfectionistic, picky, precise, precisianist, precisianistic, priggish, prim, procrustean, prudish, punctilious, purist, puristic, puritan, puritanic, relentless, rigid, rigorist, rigoristic, rigorous, rockbound, sanctimonious, scrupulous, selective, self-denying, sensitive, smug, staunch, stiff, stiff-necked, straightlaced, straitlaced, strict, stubborn, stuffy, unbending, uncompromising, unrelenting, unyielding, wedded to poverty