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
Studies have shown that magnesium will help relax your muscles and support better sleep, which is crucial for mitigating jet lag.
—Joanne Shurvell, Forbes, 12 Mar. 2025
The intriguing spa menu goes far beyond standard massages, with fascial release therapy, scalp exfoliation, abdominal massage, infrared heated body masks, and a magnesium-laden meridien massage to combat jet lag.
—Amber Gibson, Travel + Leisure, 30 Apr. 2025
Sleep Disruption Sleep disruptions such as staying up all night to study or socialize, jet lag, chronic pain, a major illness that prevents you from sleeping, or shift work (working overnight or at other times outside the typical daytime work hours) can cause irregular sleep cycles.
—Sanja Jelic, Verywell Health, 28 Apr. 2025
Consider a stopover to break up the journey and minimize jet lag.
—Christopher Elliott, USA Today, 11 Apr. 2025
See All Example Sentences for jet lag
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Joanne Shurvell, Forbes, 12 Mar. 2025
The intriguing spa menu goes far beyond standard massages, with fascial release therapy, scalp exfoliation, abdominal massage, infrared heated body masks, and a magnesium-laden meridien massage to combat jet lag.
—Amber Gibson, Travel + Leisure, 30 Apr. 2025
Sleep Disruption Sleep disruptions such as staying up all night to study or socialize, jet lag, chronic pain, a major illness that prevents you from sleeping, or shift work (working overnight or at other times outside the typical daytime work hours) can cause irregular sleep cycles.
—Sanja Jelic, Verywell Health, 28 Apr. 2025
Consider a stopover to break up the journey and minimize jet lag.
—Christopher Elliott, USA Today, 11 Apr. 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 25 May. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share