Copyright © Philip M. Parker, INSEAD. Terms of Use.

Lethargy

Definitions: Lethargy

Lethargy

Noun

1. A state of comatose torpor (as found in sleeping sickness).

2. Weakness characterized by a lack of vitality or energy.

3. Inactivity; showing an unusual lack of energy.

Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.
 

Date "lethargy" was first used in popular English literature: sometime before 1321. (references)

Specialty Definitions: Lethargy

DomainDefinitions

Health

Abnormal drowsiness or stupor; a condition of indifference. (references)

Nuclear Energy & Physics

Natural logarithm of the ratio of a reference energy to the energy of a neutron. Source: European Union. (references)

Source: compiled by the editor from various references; see credits.

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Synonyms: Lethargy

Synonyms: inanition (n), languor (n), lassitude (n), phlegm (n), sluggishness (n). (additional references)

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Synonyms within Context: Lethargy

ContextSynonyms within Context (source: adapted from Roget's Thesaurus).

Inactivity

Dullness; Adjective: languor; segnity, segnitude; lentor; sluggishness; (slowness); procrastination; (delay); torpor, torpidity, torpescence; stupor; (insensibility); somnolence; drowsiness; Adjective: nodding; Verb: oscitation, oscitancy; pandiculation, hypnotism, lethargy; statuvolence heaviness, heavy eyelids.

Insensibility

Torpor, torpidity; obstupefaction, lethargy, coma, trance, vegetative state; sleep; suspended animation; stupor, stupefaction; paralysis, palsy; numbness; (physical insensibility).

Source: adapted from Roget's Thesaurus.

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Crosswords: Lethargy

English words defined with "lethargy": Carus-gieshebetudeLethargicalmajor depressive episodenarcoticsoporiferous, soporific. (references)
Specialty definitions using "lethargy": African lethargyBorna diseasehigh-altitude pulmonary edemaNear Eastern equine encephalomyelitisSardanapalus, somnolence syndromeWorms. (references)

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Commercial Usage: Lethargy

DomainTitle

Books

  • Roger Price's Original and startling theory of avoidism! : A guide to dynamic lethargy for people who just want to lie around (reference)

    (more book examples)

Source: compiled by the editor from various references; see credits.

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Photo Album: Lethargy

ThumbnailDescription & CreditThumbnailDescription & Credit

Pulmonary disease common symptoms are fever, cough, and chest pain; for central nervous system disease symptoms are usually headache, lethargy, confusion, seizures, and sudden onset of neurologic deficit.Credit: CDC.

Southern lethargy leaves cotton in the fields long after time for picking. Tract number 453. Johnson County, North Carolina.Credit: Library of Congress.

Source: compiled by the editor from various references; see credits.

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Use in Literature: Lethargy

TitleAuthorQuote

Les Miserables

Hugo, Victor

The rough movements of the man handling him, the coolness of the night, and breathing the fresh air freely, had roused him from his lethargy.

Source: compiled by the editor from various references.

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Non-Fiction Usage: Lethargy

SubjectTopicQuote

Health

Symptoms of HUS include fever, lethargy, irritability, and pallor. (references)

This is especially urgent if the child shows symptoms of stiff neck, extreme lethargy, or abundant vomiting. (references)

LAC encephalitis initially presents as a nonspecific summertime illness with fever, headache, nausea, vomiting and lethargy. (references)

Economic History

Sri Lanka

Lethargy and indifference on the part of mid- and lower-level public servants compound transparency problems. (references)

Political Economy

Sri Lanka

In addition to the impact of the armed conflict, business people remain concerned about lethargy and indecisiveness in the bureaucracy, the politicization of major government projects and deals, inadequate maintenance and upgrading of infrastructure, corruption, inflexible labor laws and militant trade unions. (references)

Source: compiled by the editor from ICON Group International, Inc.; see credits.

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Usage Frequency: Lethargy

"Lethargy" is generally used as a noun (singular) -- approximately 100.00% of the time. "Lethargy" is used about 123 times out of a sample of 100 million words spoken or written in English. Its rank is based on over 700,000 words used in the English language. Some parts-of-speech are not covered due to the samples used by the British National Corpus. (note: percents less than one-hundredth of one percent have been omitted)
Parts of SpeechPercentUsage per
100 Million Words
Rank in English
Noun (singular)100%12328,925

Source: compiled by the editor from several corpora; see credits.

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Expression: Lethargy

Expression using "lethargy": African lethargy. Additional references.

Source: compiled by the editor from various references; see credits.

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Frequency of Internet Keywords: Lethargy

The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com.
 
ExpressionFrequency
per Day

  lethargy

54

  dog lethargy

5

  dog in lethargy

3

  cause lethargy

3

  canine lethargy

2

  hamster in lethargy

2
Source: compiled by the editor from various references; see credits.

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Modern Translations: Lethargy

Language Translations for "lethargy"; alternative meanings/domain in parentheses.

Albanian

  

letargji (hibernation), përgjumje (drowse, somnolence, somnolency). (various references)

   

Arabic 

  

‏فتور (coldness, coolness, frigidity, languishment, letdown, sluggishness, tepidity, torpidity, torpor), ‏كسل (drowse, idleness, inaction, inactivity, indolence, inertia, languor, lassitude, laziness, sloth, slothful, sluggard, sluggishness), ‏نعاس (drowse, drowsiness, fall, sleepiness, somnolence), ‏سبات (coma, sleep, sopor, stupor, torpor), ‏بلادة (dullness, sluggishness, stupidity, torpidity, torpor). (various references)

   

Bulgarian 

  

сънливост (drowsiness, somnolence, somnolency), отпуснатост (enervation, flabbiness, languor, laxity, looseness, slouch), летаргия (dormancy, hibernation, quiescence, quiescency, suspended animation), инертност (heaviness, inaction, inactivity, inertia, inertness, quiescence, quiescency, stagnancy, stagnation). (various references)

   

Chinese 

  

慵倦. (various references)

   

Czech

  

letargie (dormancy). (various references)

   

Danish

  

letargi. (various references)

   

Dutch

  

lethargie, doffe onverschilligheid. (various references)

   

Esperanto

  

letargio. (various references)

   

Farsi 

  

موت کاذب , مرگ کاذب , تهاون , سنگینی (Avoirdupois, Ballast, Gravity, Weight), سبات , خواب مرگ , رخوت (Indolence, Lassitude, Paralysis), بیحالی (Paralysis, Phlegm), بی علاقگی (Apathy, Indifference, Stupidity, Unconcern). (various references)

   

Finnish

  

horros (doze, drowse, stupor, torpor). (various references)

   

French

  

léthargie. (various references)

   

German

  

Lethargie, Schlafsucht (hypersomnia, somnolence). (various references)

   

Greek 

  

ληθαργία, λήθαργοσ (coma, hibernation, sopor), λήθαργος (deep coma, deep lethargy, dormancy, mental numbness, stupor, stuporous state). (various references)

   

Hebrew 

  

תר"מ" (hibernation, slumber, trance), ר"מת (stupor). (various references)

   

Hungarian

  

letargia, közöny (deadness, detachment, ennui, frigidity, indifference, languidity, phlegm, stolidity, unconcern). (various references)

   

Italian

  

letargia. (various references)

   

Japanese Kanji 

  

昏睡 (coma, dead sleep, stupor). (various references)

   

Japanese Katakana 

  

ふかつどう (inaction), ""すい (coma, dead sleep, stupor). (various references)

   

Manx

  

saveenys (drowsiness, repose, somnolence), gorley cadlee (narcolepsy, sleeping sickness), eer-saveenys, chingys cadlee (sleepy sickness). (various references)

   

Pig Latin

  

ethargylay

   

Portuguese

  

letargia (coma, dullness, stupor, torpidity, torpor). (various references)

   

Romanian

  

letargie. (various references)

   

Russian 

  

вялость (apathy, atony, flabbiness, inertia, inertness, languor, lassitude, limpness, listlessness, wilt), летаргия (langer). (various references)

   

Serbo-Croatian

  

letargija, mrtvilo (deadness, impasse, stagnancy). (various references)

   

Spanish

  

letargo (heaviness, slumber, torpidity, torpor). (various references)

   

Swedish

  

letargi (torpor). (various references)

   

Thai

  

ความเฉื่อยชา (inaction), ความเซื่องซึม. (various references)

   

Turkish

  

letarji, uyuklama (doze, kip, lay down, shuteye, sleepiness, slumber, slumbers, snooze, somnolence, zizz), uyuşukluk (deadness, dormancy, drowsiness, indolence, inertia, inertness, numbness, sloth, sluggishness, somnolence, stupefaction, stupor, torpidity, torpidness, torpor), rehavet. (various references)

   

Ukranian 

  

апатичність, летаргія. (various references)

   

Vietnamese 

  

trạng thái hôn mê, tính thờ ơ (apathy, listlessness, nonchalance, pococuranteism, pococurantism, unmindfulness), giấc ngủ lịm tính lờ phờ. (various references)

Source: compiled by the editor from various translation references.

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Misspellings: Lethargy

Misspellings

"Lethargy" is suggested in spellcheckers for the following: clethra, lithurgy. (additional references)

Source: compiled by the editor, based on several corpora (additional references).

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Rhyming with "Lethargy"

# of Phoneme MatchesPronunciationWord(s) rhyming with "lethargy" (pronounced le"therjē)
3-er j ēallergy, energy, liturgy, metallurgy, synergy.

Source: compiled by the editor (additional references); see credits.

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Anagrams: Lethargy

Scrabble® Enable2K-Verified Anagrams

Words within the letters "a-e-g-h-l-r-t-y"

-1 letter: earthly, greatly, lathery.

-2 letters: argyle, earthy, elytra, gather, gyrate, halter, hearty, hyetal, lather, lyrate, realty, tergal, thaler.

-3 letters: aglet, agley, alert, alter, argle, artel, early, earth, ethyl, garth, gayer, gerah, glare, glary, grate, great, gyral, haler, hater, hayer, heart, lager, large, later, lathe, lathy, layer, leary, lyart, ratel, rathe, regal, relay, retag, rhyta.

 Words containing the letters "a-e-g-h-l-r-t-y"
 

+2 letters: telegraphy.

 

+4 letters: bigheartedly, farsightedly, geothermally, hearteningly, rheumatology, shatteringly.

 

+5 letters: copyrightable, grandfatherly, grandmotherly, hypervigilant, lethargically, metallography, nearsightedly, plethysmogram, stylographies, threateningly.

Source: compiled by the editor from various references; see credits.

SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.

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Alternative Orthography: Lethargy


Hexadecimal (or equivalents, 770AD-1900s) (references)

4C 65 74 68 61 72 67 79

Leonardo da Vinci (1452-1519; backwards) (references)

American Sign Language (origins from 1620-1817 in Italy and, especially, France) (references)

=

Semaphore (1791, in France) (references)

Braille (1829, in France) (references)

Morse Code (1836) (references)

.-..    .    -    ....    .-    .-.    --.    -.--.

Dancing Men (Sir Arthur Conan Doyle, 1903) (references)

Binary Code (1918-1938, probably earlier) (references)

01001100 01100101 01110100 01101000 01100001 01110010 01100111 01111001

HTML Code (1990) (references)

&#76 &#101 &#116 &#104 &#97 &#114 &#103 &#121

ISO 10646 (1991-1993) (references)

004C 0065 0074 0068 0061 0072 0067 0079

British Sign Language (Fingerspelling, BSL; 1992, British Deaf Association Dictionary of British Sign Language) (references)

Encryption (beginner's substitution cypher): (references)

4671867467847391

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INDEX

1. Definition
2. Synonyms
3. Crosswords
4. Usage: Commercial
5. Images: Photo Album
6. Quotations: Fiction
7. Quotations: Non-fiction
8. Usage Frequency
9. Expressions
10. Expressions: Internet
11. Translations: Modern
12. Derivations
13. Rhymes
14. Anagrams
15. Orthography
16. Bibliography


  

Copyright © Philip M. Parker, INSEAD. Terms of Use.