different between lethargy vs alertness

lethargy

English

Etymology

From Middle English litargie, from Medieval Latin litargia, from Late Latin l?th?rgia, borrowed from Ancient Greek ????????? (l?th?rgí?, drowsiness), from ???????? (l?th?rgos, forgetful, lethargic) +? -??? (-í?, adjectival suffix).

Pronunciation

  • IPA(key): /?l??.?(?).d??i/

Noun

lethargy (countable and uncountable, plural lethargies)

  1. A state of extreme torpor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness. [from 14th c.]
  2. (pathology) A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns. [from 14th c.]

Related terms

  • encephalitis lethargica (EL)
  • lethargic
  • Lethe

Translations

References

  • “lethargy”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
  • “lethargy”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

lethargy From the web:

  • what lethargy means
  • what's lethargy in dogs
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  • what is lethargy in cats
  • what causes lethargy in dogs
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  • what does lethargy look like in cats
  • what is lethargy in babies


alertness

English

Etymology

alert +? -ness

Pronunciation

  • (US) IPA(key): /??l?t.n?s/

Noun

alertness (usually uncountable, plural alertnesses)

  1. The quality of being alert or on the alert

Translations

alertness From the web:

  • what's alertness mean
  • what's alertness in spanish
  • what is alertness to crime theory
  • what increases alertness
  • what controls alertness and arousal
  • what is alertness in psychology
  • what boosts alertness and diminishes appetite
  • what causes alertness
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