lethargy

[leth-er-jee]

noun

plural

lethargies 

1. the quality or state of being drowsy and dull, listless and unenergetic, or indifferent and lazy; apathetic or sluggish inactivity.

2. Pathology.,  an abnormal state or disorder characterized by overpowering drowsiness or sleep.

lethargy

/ ˈlɛθədʒɪ, lɪˈθɑːdʒɪk /

noun

1. sluggishness, slowness, or dullness

2. an abnormal lack of energy, esp as the result of a disease

Other Word Forms

• lethargically adverb
• lethargic adjective
• hyperlethargy noun

Word History and Origins

Origin of lethargy¹

First recorded in 1325–75; from Late Latin lēthargia, from Greek lēthargía, equivalent to lḗtharg(os) “drowsy” + -ia -y ³ ( Lethe, -algia ); replacing Middle English litargie, from Medieval Latin litargīa, from Late Greek, Greek, as above

Word History and Origins

Origin of lethargy¹

C14: from Late Latin lēthargīa, from Greek lēthargos drowsy, from lēthē forgetfulness

Example Sentences

Signs of leptospirosis in sea lions include tightly tucked front flippers, severe lethargy and the animals drinking water.

From Los Angeles Times

A "disappointed" Martin admitted: "There was just general lethargy and no speed in the first half."

From BBC

Parasites in California freshwater fish can cause gastrointestinal problems, weight loss and lethargy.

From Los Angeles Times

"The lethargy and all that stuff is not acceptable. So I'm surprised by that. But I'm more angry than surprised."

From BBC

All were said to have been in good health prior to a sudden onset of lethargy, nausea, seizures and other symptoms.

From Los Angeles Times

Related Words

• apathy 
• disinterest 
• drowsiness www.thesaurus.com
• inactivity www.thesaurus.com