jet lag

noun

Definition of jet lag

: 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

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Examples of jet lag in a Sentence

I had bad jet lag after that last trip overseas.

Recent Examples on the Web

James, who flew from Anguilla to LA on Sunday, may now be suffering from both jet lag and déjà vu. — Ben Golliver, SI.com, "Paul George’s Quick Decision Begs Question: Are LeBron’s Best Recruiting Days Behind Him?," 1 July 2018 Symptoms of jet lag also include irritability, disorientation, nausea, gastrointestinal distress and trouble concentrating. — Emily Sohn, Washington Post, "Time-zone changes can leave people worried about jet lag," 7 July 2018 The airline just completed its first test of the cutting-edge Airbus A350-900ULR, a new variant of the jet lag–busting A350 that can fly up to 11,160 miles—20 hours!—without refueling. — Meredith Carey, Condé Nast Traveler, "We're One Step Closer to a New World's Longest Flight," 25 Apr. 2018 Researchers warn against some of the most common pharmaceutical strategies for jet lag. — Emily Sohn, Washington Post, "Time-zone changes can leave people worried about jet lag," 7 July 2018 Having a very late chronotype is like living in a constant state of jet lag, which takes a toll on the body. — Brian Resnick, Vox, "Why being a night owl may lead to earlier death," 27 Apr. 2018 This is an excellent way to get to Sydney without having to spend half your trip with debilitating jet lag. — Laura Dannen Redman, Condé Nast Traveler, "Flight Deal: Half Off Business Class to Sydney," 5 June 2018 Sleep researchers are trying to understand the hazards of interplanetary jet lag, spurred by tentative plans to launch the first of what SpaceX CEO Elon Musk predicts could be a million Mars colonists starting in 2024. — Robert Lee Hotz, WSJ, "Can Research on Astronauts Lead to a Good Night’s Sleep on Earth?," 4 June 2018 From a cult jet lag-preventing mask to a matcha-infused, antioxidant miracle cream, here are 19 masks to hoard all season long. — Jenna Rennert, Vogue, "The Best Face Masks to Cure Every Skin Issue This Summer," 2 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jet lag.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Last Updated

16 Sep 2018

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Time Traveler for jet lag

The first known use of jet lag was in 1965

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More Definitions for jet lag

jet lag

noun

English Language Learners Definition of jet lag

: a tired and unpleasant feeling that you sometimes get when you travel by airplane to a place that is far away

See the full definition for jet lag in the English Language Learners Dictionary

jet lag

noun

\ˈjet-ˌlag

Medical Definition of jet lag

: 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