Morass \Mo*rass"\, n. [OE. marras, mareis (perh. through D. moeras), fr. F. marais, prob. from L. mare sea, in LL., any body of water; but perh. influenced by some German word. See Mere a lake, and cf. Marsh.]

A tract of soft, wet ground; a marsh; a fen. [1913 Webster]

Morass ore. (Min.) See Bog ore, under Bog. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

98 Moby Thesaurus words for "morass": anarchy, baygall, bind, bog, bottom, bottomland, bottoms, buffalo wallow, chaos, clutch, complication, confusion, crunch, dunghill, embarrassing position, embarrassment, entanglement, everglade, fabulous formless darkness, fen, fenland, fine how-do-you-do, foul-up, glade, hassle, hell to pay, hobble, hog wallow, holm, hot water, how-do-you-do, imbroglio, jam, jungle, knot, labyrinth, license, marais, marish, marsh, marshland, meadow, mere, mesh, mess, mire, misrule, mix, mix-up, moor, moorland, moss, mud, mud flat, muddle, parlous straits, pass, peat bog, pickle, pinch, plight, predicament, pretty pass, pretty pickle, pretty predicament, quag, quagmire, quicksand, salt marsh, scrape, screw-up, skein, slob land, slough, snafu, snarl, sough, spot, squeeze, stew, sticky wicket, strait, straits, sump, swale, swamp, swampland, taiga, tangle, tight spot, tight squeeze, tightrope, tricky spot, unholy mess, view, wallow, wash, web

Source: Moby Thesaurus II by Grady Ward, 1.0
 

morass

Source: WordNet (r) 2.0
 

Morass \Mo*rass"\, n. [OE. marras, mareis (perh. through D. moeras), fr. F. marais, prob. from L. mare sea, in LL., any body of water; but perh. influenced by some German word. See Mere a lake, and cf. Marsh.]

A tract of soft, wet ground; a marsh; a fen.

Morass ore. (Min.) See Bog ore, under Bog.

Source: Webster's Revised Unabridged Dictionary (1913)