phlegm

noun

1
inactivity; showing an unusual lack of energy
the general appearance of sluggishness alarmed his friends
2
expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness
3
apathy demonstrated by an absence of emotional reactions

Also useful for “phlegm”:Unscrambler— Rearrange the letters in “phlegm”