jet lag
noun
: a condition that is characterized by various psychological and physiological effects (such as fatigue and irritability), occurs following long flight through several time zones, and probably results from disruption of circadian rhythms in the human body
Temporary fatigue, drowsiness, and loss of concentration are typical symptoms of isolated bouts of jet lag …—
J. Netting
J. Netting
Examples of jet lag in a Sentence
I had bad jet lag after that last trip overseas.
Recent Examples on the Web
For starters, drivers and their teams must manage jet lag and travel fatigue.
—Eileen Falkenberg-Hull, MSNBC Newsweek, 3 Oct. 2025
Ready for a French vacation without jet lag?
—Essence, 3 Oct. 2025
The decision not only mitigated against jet lag but allowed players to spend the first week on the course, perfecting their pairing strategies, rather than cramming too much time into the days immediately before play started, where media commitments are at their height.
—Jacob Whitehead, New York Times, 29 Sep. 2025
However, the impact of jet lag on leaders' well-being and performance can be mitigated.
—Julian Hayes Ii, Forbes.com, 18 Sep. 2025
See All Example Sentences for jet lag
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Eileen Falkenberg-Hull, MSNBC Newsweek, 3 Oct. 2025
Ready for a French vacation without jet lag?
—Essence, 3 Oct. 2025
The decision not only mitigated against jet lag but allowed players to spend the first week on the course, perfecting their pairing strategies, rather than cramming too much time into the days immediately before play started, where media commitments are at their height.
—Jacob Whitehead, New York Times, 29 Sep. 2025
However, the impact of jet lag on leaders' well-being and performance can be mitigated.
—Julian Hayes Ii, Forbes.com, 18 Sep. 2025
See All Example Sentences for jet lag
Cite this Entry
“Jet lag.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20lag. Accessed 6 Oct. 2025.
Copy CitationMedical Definition
jet lag
noun
: a condition that is characterized by various psychological and physiological effects (as fatigue and irritability), occurs following long flight through several time zones, and probably results from disruption of circadian rhythms in the human body
called also jet fatigue
jet-lagged
adjective
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