phlegm meaning and definition

PHLEGM noun

Definition of phlegm (noun)

1. apathy demonstrated by an absence of emotional reactions
   • synonyms: emotionlessness, impassiveness, impassivity, indifference, stolidity, unemotionality
2. expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness
   • synonyms: sputum
3. inactivity; showing an unusual lack of energy
   • "the general appearance of sluggishness alarmed his friends"
   • synonyms: flatness, languor, lethargy, sluggishness