extracurricular /ˌɛkstɹəkəˈɹɪkjʊlə(ɹ)/adjective 3noun 3forms 1 adjective3 •Outside of the normal curriculum of an educational establishment.The students enjoy a number of extracurricular activities at weekends. •Similarly outside of the normal duties of a job or profession. •(informal) Extramarital. noun3 •An activity outside the normal academic curriculum. •(informal) An activity beyond official duties of a job or profession. •(informal) An extramarital affair. formsextracurriculars