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Definition of "invasion" []

  • The act of invading, especially the entrance of an armed force into a territory to conquer. (noun)
  • A large-scale onset of something injurious or harmful, such as a disease. (noun)
  • An intrusion or encroachment. (noun)

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.

Use "invasion" in a sentence
  • "However, the real history is that al-Qaeda had no real foothold in Iraq until the U.S. invasion in 2003 – and that al-Qaeda's leadership saw its post-U. S.-invasion efforts there as a way to divert American forces so the terror group could rebuild its operations in Pakistan and Afghanistan."
  • "SOITM believes that the Turkish possible interference against PKK in Iraq is intervention and not invasion, therefore, the term ´intervention´ is used instead of ´invasion´ in the SOITM presentation."
  • "However, the real history is that al-Qaeda had no real foothold in Iraq until the U.S. invasion in 2003 †"and that al-Qaeda's leadership saw its post-U. S.-invasion efforts there as a way to divert American forces so the terror group could rebuild its operations in Pakistan and Afghanistan."