
1) Abnormal lack of energy 2) Apathy 3) Inactivity 4) Indolence 5) Lack of energy or vitality 6) Lassitude 7) Lassitude, languor 8) Listlessness 9) Sloth 10) Slowness 11) Sluggish quality 12) Sluggishness 13) Spring fever symptom 14) State of sluggishness 15) Torpidity 16) Torpor
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https://www.crosswordclues.com/clue/lethargy

1) Anemia 2) Drowsiness 3) Ennui 4) Hebetude 5) Idleness 6) Inactivity 7) Inanition 8) Indifference 9) Inertia 10) Languor 11) Lassitude 12) Laziness 13) Listlessness 14) Malaise 15) Sluggishness 16) Sopor 17) Stupor 18) Tiredness 19) Torpor
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https://www.crosswordclues.com/clue/lethargy

• (n.) Morbid drowsiness; continued or profound sleep, from which a person can scarcely be awaked. • (n.) A state of inaction or indifference. • (v. t.) To lethargize.
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http://thinkexist.com/dictionary/meaning/lethargy/

(Gr. lthargia drowsiness) abnormal drowsiness or stupor; a condition of indifference.
Found on
http://users.ugent.be/~rvdstich/eugloss/DIC/dictio49.html

A condition marked by drowsiness and an unusual lack of energy and mental alertness. It can be caused by many things, including illness, injury, or drugs.
Found on
http://www.cancer.gov/dictionary?expand=L

natural logarithm of the ratio of a reference energy to the energy of a neutron
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=393-15-08

<symptom> Abnormal drowsiness or stupor, a condition of indifference. ... Origin: Gr. Lethargia = drowsiness ... (18 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(leth´әr-je) a lowered level of consciousness marked by listlessness, drowsiness, and apathy. a condition of indifference. adj., lethar´gic., adj.
Found on
http://www.encyclo.co.uk/local/21001
Leth'ar·gy (-jȳ)
noun ;
plural -gies (-jĭz). [ French
léthargie , Latin
lethargia , Greek
lhqargi`a , from
lh`qargos forgetful, from
lh`qh forgetfulness. See
Lethe .]
1. Morbid drowsiness; continued or profo...
Found on
http://www.encyclo.co.uk/webster/L/32
Leth'ar·gy transitive verb To lethargize. [ Obsolete]
Shak. Found on
http://www.encyclo.co.uk/webster/L/32

Type: Term Pronunciation: leth′ăr-jē Definitions: 1. Relatively mild impairment of consciousness resulting in reduced alertness and awareness; this condition has many causes but is ultimately due to generalized brain dysfunction.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=48960

Lethargy: 1. Abnormal drowsiness, stupor. 2. A state of indifference. From the Greek lethargia, drowsiness.
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http://www.medterms.com/script/main/art.asp?articlekey=4138

Lethargy is an abnormal lack of energy, an unnatural tendency to sleep, closely connected with languor and debility, and much resembling apoplexy in character. It may arise from a plethoric habit, from deficient circulation in the brain, from nervous exhaustion of that organ, from a poisoned state of the blood, or from a suppression of urine.
Found on
http://www.probertencyclopaedia.com/browse/EL.HTM

Quality or state of being lazy or indifferent.
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http://www.sheepusa.org/

An abnormal state of drowsiness or dullness.
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http://www.thehorse.com/Glossary.xhtml?L=L

a morbid drowsiness; a sleep from which one cannot be kept awake. The term appears to have had a more precise meaning in Johnson's time and would seem akin to what we would call coma
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http://www.thornber.net/medicine/html/medgloss.html

[
n] - a state of comatose torpor (as found in sleeping sickness)
Found on
http://www.webdictionary.co.uk/definition.php?query=lethargy

lethargy 1. A state of comatose torpor (as found in sleeping sickness). 2. Inactivity; showing an unusual lack of energy. 3. Weakness characterized by a lack of vitality or energy. 4. The quality or state of being drowsy and dull, listless and unenergetic, or indifferent and lazy; apathetic or sluggish inactivity. 5. Pathologically, an abnormal ...
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http://www.wordinfo.info/words/index/info/view_unit/1176/
lassitude noun a state of comatose torpor (as found in sleeping sickness)
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https://www.encyclo.co.uk/local/20974

An animal that is slow to react lacks energy and is often sick.
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https://www.encyclo.co.uk/local/22169

Malaise or inactivity.
Found on
https://www.encyclo.co.uk/local/22445
[SAT terms] weakness characterized by a lack of vitality or energy
Found on
https://www.vocabulary.com/lists/151274
No exact match found.