- of, relating to, or affected with lethargy; drowsy; sluggish; apathetic.
- producing lethargy: The lethargic heat and humidity of the day made me want to do nothing but nap.
Origin of lethargic
SynonymsSee more synonyms for on Thesaurus.com
Examples from the Web for lethargic
You lethargic, unfocused, unstable, lazy, hazy, crazy time of year.Our Doomed Love Affair with Summer
P. J. O’Rourke
August 30, 2014
Compared with the lethargic figure of two weeks ago, it was as if the Obama campaign had sent a body double.Barack Obama Seizes the Upper Hand Over Mitt Romney at Second Debate
October 17, 2012
Now the Saudis see an Arab world in transition from decades of lethargic stability to a chaotic future.The Return of Prince Bandar: Saudi’s New Spy Chief
July 23, 2012
“Containment,” it was allowed, had been all well and good when we were talking about the lethargic Soviet Union of Brezhnev.The Case for Bombing Iran Shows Hawks Wrong All Over Again
February 8, 2012
Market slides, lethargic job growth, and a credit downgrade show an economy on the brink.Will We Double-Dip?
August 6, 2011
Thorpe had a fleeting pride in the lethargic, composed front he was able to present.The Market-Place
The Father confident in his strength, but he felt heavy and lethargic.B. C. 30,000
Sterner St. Paul Meek
He was a large, lethargic man, who had commonplace views on all subjects.The Secret House
About noon they all seemed to wake up from their lethargic state.Blown to Bits
If anything, slightly lazy or lethargic in his emotional life.Theft
Word Origin and History for lethargic
late 14c., litargik, from Latin lethargicus "affected with lethargy," from Greek lethargikos, from lethargos (see lethargy). Related: Lethargically.