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lethargy

[leth-er-jee] /ˈlɛθ ər dʒi/
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.
Origin of lethargy
1325-1375
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 forms
hyperlethargy, noun
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for lethargy

lethargy

/ˈlɛθədʒɪ/
noun (pl) -gies
1.
sluggishness, slowness, or dullness
2.
an abnormal lack of energy, esp as the result of a disease
Derived Forms
lethargic (lɪˈθɑːdʒɪk), lethargical, adjective
lethargically, adverb
Word Origin
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
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Word Origin and History for 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
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lethargy in Medicine

lethargy leth·ar·gy (lěth'ər-jē)
n.

  1. A state of sluggishness, inactivity, and apathy.

  2. 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.
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15
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