having scruples; having or showing a strict regard for what one considers right; principled.

punctiliously or minutely careful, precise, or exact

a scrupulous performance.

adjective

careless , negligent , unscrupulous

adjective

conscientious , conscionable , critical , exact , fastidious , fussy , heedful , honest , honorable , just , meticulous , minute , moral , nice , painstaking , particular , precise , principled , punctilious , punctual , right , rigorous , strict , thinking twice , true , uprightnotes:meticulous first meant \'fearful\' or \'timid\' and now means \'exact , finicky , or precise\'; scrupulous means \'conscientious or principled\' , careful , cautious , dutiful , proper , reluctant , upright