extensive
Pronunciation: /ɪkˈstɛnsɪv, ɛk-/
adjective
- 1covering or affecting a large area: an extensive garden
- large in amount or scale: an extensive collection of silver
- 2(of agriculture) obtaining a relatively small crop from a large area with a minimum of capital and labour: extensive farming techniquesOften contrasted with intensive (sense 1 of the adjective).

Origin:
late Middle English: from French extensif, -ive or late Latin extensivus, from extens- 'stretched out', from the verb extendere (see extend)