Sabbatarian, bigoted, censorious, choicy, choosy, conscientious, creedbound, critical, discriminating, discriminative, dogmatic, dour, elegant, euphemistic, euphuistic, evangelical, exact, exacting, exquisite, fastidious, firm, formalistic, fundamentalist, goody-goody, goody good-good, hard, hidebound, hyperorthodox, impliable, inexorable, inflexible, iron, ironbound, ironclad, ironhanded, literalist, literalistic, methodical, meticulous, mincing, muscle-bound, namby-pamby, obdurate, obstinate, orderly, orthodox, overnice, overprecise, overrefined, particular, pedantic, perfectionistic, picky, precieuse, precious, precise, precisian, precisianist, precisianistic, precisionist, precisionistic, priggish, procrustean, prudish, punctilious, purist, puritan, puritanic, puritanical, relentless, rigid, rigorist, rigoristic, rigorous, rockbound, scrupulous, selective, sensitive, simpering, staunch, stiff, straightlaced, straitlaced, strict, stubborn, unbending, uncompromising, unrelenting, unyielding