- meticulous, punctilious - marked by precise accordance with details; "was worryingly meticulous about trivial details"; "punctilious in his attention to rules of etiquette"
Antonym: imprecise (indirect, via precise)
- meticulous, picky - marked by extreme care in treatment of details; "a meticulous craftsman"; "almost worryingly meticulous in his business formalities"
Antonym: unfastidious (indirect, via fastidious)