extremely attentive to punctilios; strict or exact in the observance of the formalities or amenities of conduct or actions.

adjective

careless , easy-going , informal , uncaring

adjective

ceremonious , conscientious , conscionable , conventional , exact , formal , formalistic , fussy , good eye , heedful , meticulous , nice , observant , overconscientious , overscrupulous , painstaking , particular , persnickety , precise , proper , punctual , right on , scrupulous , strict , fastidious , courtly , careful , ceremonial , correct , finicky