Definition of "highjack" [highjack]

• Variant of hijack. (verb)

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.

• "He is now threatening to "highjack" President Obama\'s honeymoon with the print and electronic media."
• "Still, Odierno says he hopes the committee's work doesn't "highjack" the election and that Iraq can remain focused on other critical issues, like jobs and security."
• "Dr.gs and addictive behaviors "highjack" the brain's reward system, says Dr. Petros Levounis, director of the Addiction Institute of New York at St. Luke's and Roosevelt Hospitals in Manhattan. dopamine plays a major role in motivation and reward, surging before and during a pleasurable activity -- say, eating or sex -- to make patients want to repeat a behavior that's crucial to the survival of the species."