large in spatial extent or range or scope or quantity; "an extensive Roman settlement in northwest England"; "extended farm lands"; "surgeons with extended experience"; "they suffered extensive damage"
of agriculture; increasing productivity by using large areas with minimal outlay and labor; "producing wheat under extensive conditions"; "agriculture of the extensive type"
something regarded as a normative example; "the convention of not naming the main character"; "violence is the rule not the exception"; "his formula for impressing visitors"