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

CEOs with crazy travel schedules told us how they crush jet lag.

From The Wall Street Journal

Beating jet lag is equally serious business for globe-trotting corporate bosses.

From The Wall Street Journal

It is more appropriate for jet lag and short-term use, said St-Onge.

From The Wall Street Journal

That’s great for an extra hour of sleep each night and no jet lag after the trip, but it was a bit confusing to wake up every day with different times on all our devices.

From The Wall Street Journal

And the biggest challenge for the man who has won nearly everything isn’t the rest of the field or a mild case of jet lag.

From The Wall Street Journal