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