large in number or quantity (especially of discourse); "she took copious notes"; "extensive press coverage"; "a subject of voluminous legislation";
having broad range or effect; "had extensive press coverage"; "far-reaching changes in the social structure"; "sweeping reforms";
great in range or scope; "an extended vocabulary"; "surgeons with extended experience"; "extensive examples of picture writing"; "suffered extensive damage"; "a wide selection";
large in spatial extent or range; "an extensive Roman settlement in northwest England"; "extended farm lands";
of agriculture; increasing productivity by using large areas with minimal outlay and labor; "producing wheat under extensive conditions"; "agriculture of the extensive type";