jet lag

or jet·lag

noun

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

Origin of jet lag

First recorded in 1965–70

Related formsjet-lagged, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for jetlagged

jet lag

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for jetlagged

jet lag

also jetlag, 1966, from jet (n.2) + lag (n.). Also known in early days as time zone syndrome.

Medicine definitions for jetlagged

jet lag

n.

A temporary disruption of normal circadian rhythm caused by high-speed travel across several time zones typically in a jet aircraft, resulting in fatigue and varied constitutional symptoms.

Related formsjet′-lagged′ adj.

Science definitions for jetlagged

jet lag

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.

Culture definitions for jetlagged

jet lag

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.