Synonyms for Down include:
amort, behind, blue, chapfallen, chopfallen, clean, clear, cold, complete, consummate, crestfallen, dead, debased, declivitous, deep, deflated, defunct, degraded, degressive, dejected, depressed, descendant, descendent, descending, devalued, dispirited, distressed, down, down in the mouth, down pat, downbound, downcast, downfield, downhearted, downhill, downward, downward-arching, downward-sloping, drizzling, dropping, dysphoric, errorless, exact, fallen, falling, faultless, flat-growing, flawless, gloomy, glum, ground-hugging, ideal, idealised, idealized, idyllic, immaculate, impeccable, inferior, inoperative, lonely, lonesome, long-faced, low, low-altitude, low-growing, low-level, low-lying, low-set, low-spirited, lowered, lowset, mastered, mint, nether, out, perfect, perfectible, pluperfect, raining, reduced, retired, rock-bottom, set, short, soft, squat, thrown, unblemished, unbroken, uncorrupted, undefiled, under, underslung, unflawed, unhappy, utopian, weak
down is a ADJ.
down, downward, downwardly, downwards
down is a ADV.
down, down feather, John L. H. Down, pile
down is a NOUN.
belt down, bolt down, consume, cut down, devour, down, drink dow, drink down, fine-tune, go through, kil, kill, knock down, land, polish, pop, pour down, pull down, push down, refine, shoot down, toss off
down is a VERB.