painstaking Synonyms

conscientious scrupulous time-consuming systematical systematic studious strict sedulous sedulity searching fussy rigorous punctilious precise persevering thorough thoroughgoing hardworking picky pernickety hard-working unflagging blow-by-blow persnickety all-or-nothing industriousness untiring tireless thoroughpaced thoroughness perfectionist particular minute detailed demanding deliberate conscionable comprehensive complete close clocklike careful attentive assiduous acroamatic diligent earnest elaborate meticulous methodical