Definition of "extensive" []

• Large in extent, range, or amount. (adjective)
• Of or relating to the cultivation of vast areas of land with a minimum of labor or expense. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The American Petroleum Institute has been running what it termed an "extensive" TV, radio and print advertising campaign."
• "A United Nations fact-finding mission investigating the three-week war in Gaza last winter issued a highly critical report on Tuesday detailing what it called extensive evidence that both Israel and Palestinian militant groups took actions amounting to war crimes, and possibly crimes against humanity."
• "The paper was prepared by PriceWaterhouseCoopers after what it describes as extensive consultations across the sector and broader community."