Phlegm

Noun

 * 1)  One of the four humors making up the body in ancient and mediaeval medicine; said to be cold and moist, and often identified with mucus.
 * 2) Viscid mucus produced by the body, later especially mucus expelled from the bronchial passages by coughing.#  A watery distillation, especially one obtained from plant matter; an aqueous solution.
 * 3) Calmness of temperament, composure; also seen negatively, sluggishness, indifference.

Related terms

 * phlegmatic
 * phlegmy

Thesaurus
acedia, aloofness, apathy, ataraxia, ataraxy, benumbedness, blah, blahs, boredom, calmness, chyle, colostrum, comatoseness, composure, coolness, detachment, discharge, disinterest, dispassion, drowsiness, dullness, enervation, ennui, fatigue, gleet, heartlessness, heaviness, hebetude, hopelessness, humor, ichor, impassivity, imperturbability, inanimation, inappetence, indifference, insensibility, insouciance, jadedness, lachryma, lack of appetite, lackadaisicalness, lactation, languidness, languishment, languor, languorousness, lassitude, lenitude, lentor, lethargicalness, lethargy, leukorrhea, lifelessness, listlessness, lymph, matter, milk, mucor, mucus, nonchalance, numbness, oscitancy, passiveness, passivity, peccant humor, phlegmaticalness, phlegmaticness, plucklessness, purulence, pus, resignation, resignedness, rheum, saliva, sangfroid, sanies, satedness, self-possession, serous fluid, serum, sleepiness, sloth, slothfulness, slowness, sluggishness, snot, somnolence, sopor, soporifousness, spiritlessness, spunklessness, stoicism, stolidity, stupefaction, stupor, supineness, suppuration, sweat, tear, teardrop, the whites, torpidity, torpidness, torpitude, torpor, unconcern, unresponsiveness, urine, weariness, withdrawnness, world-weariness