rococo /ɹəˈkəʊkəʊ/adjective 3noun 2forms 3 adjective3 •Of or relating to the rococo style. •Over-elaborate or complicated; opulent. •Old-fashioned. noun2 •A style of baroque architecture and decorative art, from 18th-century France, having elaborate ornamentation.They built a rococo aedicule that stands around the Tomb today. — 2011 •A piece of ornamentation in this style. formsrococos · more rococo · most rococo