lethargy

[leth-er-jee]

noun, plural leth·ar·gies.

the quality or state of being drowsy and dull, listless and unenergetic, or indifferent and lazy; apathetic or sluggish inactivity.
Pathology. an abnormal state or disorder characterized by overpowering drowsiness or sleep.

Nearby words

  1. lethality,
  2. lethally,
  3. lethargic,
  4. lethargic encephalitis,
  5. lethargize,
  6. lethbridge,
  7. lethe,
  8. lethean,
  9. lethiferous,
  10. letitia

Origin of lethargy

1325–75; < Late Latin lēthargia < Greek lēthargía, equivalent to lḗtharg(os) drowsy + -ia -y3 (see Lethe, -algia); replacing Middle English litargie < Medieval Latin litargīa < Late Greek, Greek, as above

Related formshy·per·leth·ar·gy, noun

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

Examples from the Web for lethargy


British Dictionary definitions for lethargy

lethargy

noun plural -gies

sluggishness, slowness, or dullness
an abnormal lack of energy, esp as the result of a disease
Derived Formslethargic (lɪˈθɑːdʒɪk) or lethargical, adjectivelethargically, adverb

Word Origin for lethargy

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

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 lethargy

lethargy

n.

late 14c., litarge, from Old French litargie or directly from Medieval Latin litargia, from Late Latin lethargia, from Greek lethargia "forgetfulness," from lethargos "forgetful," originally "inactive through forgetfulness," from lethe "forgetfulness" (see latent) + argos "idle" (see argon). The form with -th- is from 1590s in English.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for lethargy

lethargy

[lĕthər-jē]

n.

A state of sluggishness, inactivity, and apathy.
A state of unconsciousness resembling deep sleep.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.