n. 1 purist, pedant, precisian, precisionist, stickler, Colloq fusspot, US fuss-budget The foreman is such a perfectionist that there's no satisfying him
adj. 2 meticulous, precise, punctilious, scrupulous, exacting, particular, demanding, fastidious, fussy; obsessive; Colloq picky, nit-picking She takes a perfectionist attitude towards everything she does