decorous

1 following the established traditions of refined society and good taste we were asked to be on our most decorous behavior at the formal event Synonyms befitting, correct, decent, proper, de rigueur, genteel, nice, polite, respectable, seemlyRelated Words acceptable, adequate, satisfactory, tolerable; dress, dressy, formal; dignified, elegant, gracious; priggish, prim, stiff, stuffy; apt, material, relevant; compatible, congenial, harmonious; allowed, authorized, kosher, permittedNear Antonyms intolerable, unacceptable, unsatisfactory; casual, grungy, informal; seedy, shabby, tacky; banned, barred, disallowed; forbidden, interdicted, outlawed, prohibited, proscribed; awkward, gauche, ungracefulAntonyms improper, inappropriate, incorrect, indecent, indecorous, indelicate, unbecoming, ungenteel, unseemly

2 marked by or showing careful attention to set forms and details the oppressively decorous standards of a royal court Synonyms correct, ceremonious, formal, nice, proper, punctilious, starchy, stiff, stiff-necked, stiltedRelated Words sober, solemn, stately; chivalrous, courtly, gallant; genteel, polished, refined; civil, courteous, polite, red-carpetNear Antonyms improper, indecorous, unmannerly; discourteous, impolite, rudeAntonyms casual, easygoing, informal, laid-back, unceremonious