Definition of "extensiveness" [ex•ten•sive•ness]

• The degree or property of being extensive (noun)

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• "But they are not always fully tuned in to the magnitude of those suspicions or the extensiveness of the target's efforts to learn the truth."
• "He's extremely grateful for the private medical insurance that paid for the very expensive medical care that saved his life and just as grateful for the Medicare that kicked in just in time as the cost and extensiveness of his great medical care exhausted his private medical insurance."
• "The lack of high privacy settings coupled with the extensiveness of networks among Egyptian activists means that it is relatively easy for the government to track developments and planning on Facebook."