jet lag

American  

Or jetlag

noun

1. a temporary disruption of the body's normal biological rhythms after high-speed air travel through several time zones.

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jet lag British  

noun

1. a general feeling of fatigue and disorientation often experienced by travellers by jet aircraft who cross several time zones in relatively few hours

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jet lag Scientific  

1. A temporary disruption of normal circadian rhythm caused by high-speed travel across several time zones typically in a jet aircraft, resulting in fatigue, disorientation, and disturbed sleep patterns.

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jet lag Cultural  

1. A temporary disruption of the body's biological clock experienced by persons who travel across several time zones by airplane. The effects of jet lag, which may include fatigue and irritability, generally disappear after a few days as the body's internal rhythms readjust themselves to the new time frame.

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Other Word Forms

• jet-lagged
  adjective

Etymology

Origin of jet lag

First recorded in 1965–70

Example Sentences

See Examples For:

jet lag

Even relatively small differences between weekday and weekend schedules may create what researchers often call social jet lag.

From Science Daily ● Jul. 31, 2026

Plus, the next pickleball, a cure for jet lag and Lego makes a generational change to play.

From The Wall Street Journal ● Jul. 25, 2026

Fighting jet lag back in Scotland, Sharp said his first reflection was that “the whole trip was so worthwhile.”

From MarketWatch ● Jun. 24, 2026

“You really don’t have the impact of jet lag because you’re purely running on adrenaline,” she says.

From Los Angeles Times ● Mar. 31, 2026

The first twin goes fifty-fifty and blames it on the time zone change and her jet lag from flying in from Louisiana to New York.

From "Dumplin'" by Julie Murphy