phlegm

Noun

• inactivity; showing an unusual lack of energy
  • the general appearance of sluggishness alarmed his friends
    

• expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness

• apathy demonstrated by an absence of emotional reactions

Related words

• Synonyms: 
  languor , lethargy , sluggishness , flatness , sputum , emotionlessness , impassivity , impassiveness , indifference , stolidity , unemotionality