lethargy

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a state of comatose torpor (as found in sleeping sickness) (Freq. 2)
• Syn:
lassitude, sluggishness
• Hypernyms:
torpor, torpidity
• Hyponyms:
hebetude
2. weakness characterized by a lack of vitality or energy (Freq. 1)
• Syn:
inanition, lassitude, slackness
• Hypernyms:
weakness
3. inactivity;
showing an unusual lack of energy
- the general appearance of sluggishness alarmed his friends
• Syn:
languor, sluggishness, phlegm, flatness
• Derivationally related forms:
phlegmatic (for: phlegm), phlegmatical (for: phlegm), sluggish (for: sluggishness), lethargic, languorous (for: languor)
• Hypernyms:
inactiveness, inactivity, inertia

• Từ đồng nghĩa / Synonyms:
  languor, sluggishness, phlegm, flatness, inanition, lassitude, slackness