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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
Examples of jet lag in a Sentence
I had bad jet lag after that last trip overseas.
Recent Examples on the Web
Sharing your arrival time in advance may help with an early check in, when available, but a relaxation room at the spa or even a treatment can help off set any jet lag or travel woes before unpacking.
—Melissa Kravitz Hoeffner, Forbes, 17 Oct. 2024
The Fenix has a jet lag calculator, which helps set your expectations on when to visit the cafe for an afternoon espresso and other recommendations for combating jet lag.
—Matthew Medendorp, Travel + Leisure, 24 Sep. 2024
There are different strategies to combat jet lag, depending on your personal tolerance and trip length.
—Niccolo Serratt, Condé Nast Traveler, 23 July 2024
Especially since, by that last night on my trip, jet lag had finally caught up with me.
—Jaclyn Greenberg, WIRED, 22 Oct. 2024
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Word History
First Known Use
1965, in the meaning defined above
Dictionary Entries Near jet lag
Cite this Entry
“Jet lag.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20lag. Accessed 24 Nov. 2024.
Kids Definition
jet lag
noun
: a condition that is marked by physical and mental symptoms (as tiredness and bad temper) and occurs following a long flight through several time zones
Medical 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
More from Merriam-Webster on jet lag
Nglish: Translation of jet lag for Spanish Speakers
Britannica.com: Encyclopedia article about jet lag
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