taking or characterized by taking pains or trouble; expending or showing diligent care and effort; careful

a painstaking craftsman; painstaking research.

careful and diligent effort.

adjective

careless , easy , half-baked , half-done , thoughtless , unmindful , unthorough , negligent , slovenly

adjective

assiduous , by the book , by the numbers * , careful , conscientious , conscionable , diligent , earnest , exact , exacting , finicky , fussbudget , fussy , hard-working , heedful , industrious , particular , persevering , persnickety * , picky , punctilious , punctual , scrupulous , sedulous , stickler * , strenuous , thoroughgoing , fastidious , meticulous , laborious , methodic , precise , thorough

noun

care , carefulness , fastidiousness , meticulousness , pain , punctiliousness , scrupulousness