1 adj Something that is extensive covers or includes a large physical area.
...an extensive tour of Latin America..., When built, the palace and its grounds were more extensive than the city itself.
extensively adv ADV after v
Mark, however, needs to travel extensively with his varied business interests.
2 adj Something that is extensive covers a wide range of details, ideas, or items.
Developments in South Africa receive extensive coverage in The Sunday Telegraph..., The facilities available are very extensive.
extensively adv ADV after v, ADV adj/-ed
All these issues have been extensively researched in recent years.
3 adj If something is extensive, it is very great.
The blast caused extensive damage, shattering the ground-floor windows..., The security forces have extensive powers of search and arrest...
extensively adv ADV after v, ADV -ed
Hydrogen is used extensively in industry for the production of ammonia.
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