Reform UK /ɹɪˈfɔːm/US /ɹɪˈfɔɹm/noun 3adjective 1forms 1 noun3 •A political movement or party. •(UK) Ellipsis of Reform UK (British nationalist party). •An evangelical organisation within Anglicanism. adjective1 •Of Reform Judaism, its tenets, or its adherents. formsReforms