Vast areas of rainforest are cut in one go (clear felling) and the most valuable trees are selected for timber, leaving the others for wood chipping. The roads that are created in order to cut and remove the timber often lead to further damage: see the effect of forest roads under Oil Companies.
adv. completely. 1  absolutely. 2  actually. 3  all. 4  all in all. 5  all told. 6  altogether. 7  considerably. 8  entirely. 9  fully. 10  in all respects. 11  in fact. 12  in reality. 13  in toto. 14  in truth. 15  just. 16  largely. 17  perfectly. 18  positively. 19  precisely. 20  purely. 21  really. 22  thoroughly. 23  totally. 24  truly. 25  utterly. 26  well. 27  wholly. 28  without reservation.
Very big in size. The official definition of the word vast is of very great extent or quantity; immense.. 1  Unusally great is size or amount or degree or especially extent or scope familiarity. 2  In information vast used as on adjective is very rare.