Definition of "jet lag" []

• A temporary disruption of bodily rhythms caused by high-speed travel across several time zones typically in a jet aircraft. (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.

• "I’m still fighting jet lag and I think I might be coming down with something."
• "I apologized to Simon Mangold for my appearance, claimed jet lag and airports."
• "The truth of the matter was that she was still tired, and the wine had only exacerbated the jet lag that had been with her ever since her red-eye flight."