Scum

Noun

 * 1)  A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).
 * 2)  A greenish water vegetation (such as algae), usually found floating on the surface of ponds
 * 3) The topmost liquid layer of a cesspool or septic tank.
 * 4)   A person or persons considered to be reprehensible.

Synonyms

 * dross, impurities; cinder,  dross,  scoriae,  slag
 * bastard

Related terms

 * scumbag
 * scummy

Verb

 * 1) To remove the layer of scum from (a liquid etc.).
 * 2) To remove (something) as scum.
 * 3) * 1590, Edmund Spenser, The Faerie Queene, II.vii:
 * Some scumd the drosse, that from the metall came; / Some stird the molten owre with ladles great [...].
 * 1)  To scour (the land, sea etc.).
 * 2) * 1485, Sir Thomas Malory, Le Morte Darthur, Book I.13:
 * Soo by Merlyns aduys ther were sente fore rydars to skumme the Countreye, & they mette with the fore rydars of the north [...].

Adjectives for Scum
precocious; muddy; leprous; vulgar; common.

Verbs for Scum
clear of—; collect—; form—; gather—; purge—; reject—;  retain—;  sift off.

Thesaurus
aerate, alluvion, alluvium, androcyte, antheridium, antherozoid, apply to, ash, beat, bilge, bilgewater, blanket, block, bones, breakers, canaille, canopy, carrion, cattle, chaff, cinder, clinker, cloak, clothe, cloud, coat, coating, collar, collop, cope, cover, cover up, covering, cowl, cream, culm, cur, curtain, cut, deadwood, deal, deposition, deposits, diluvium, dishwater, disk, ditchwater, draff, dregs, dregs of society, dross, dust, eclipse, ember, enamel, facing, feces, feuille, filings, film, flap, foam, foil, fold, froth, fur, garbage, gash, glop, grounds, gunk, head, hogwash, hood, husks, lacquer, lamella, lamina, laminated glass, laminated wood, lap, lather, lay on, lay over, leaf, leavings, lees, loess, male gamete, mantle, mask, masses, membrane, meringue, milt, mire, mob, moraine, mousse, muck, muffle, obduce, obscure, occult, offal, offscourings, offscum, ooze, orts, overlay, overspread, paint, pane, panel, parings, patina, peel, pellicle, plait, plank, plate, plating, ply, plywood, pollen, potsherds, precipitate, precipitation, prick, proletariat, protein, puff, put on, raff, rags, ragtag and bobtail, rasher, raspings, refuse, revetment, riffraff, rubbish, safety glass, scale, scoria, scourings, scrap iron, scraps, screen, scud, scurf, sea foam, sediment, seed, semen, seminal fluid, settlings, sewage, sewerage, shards, shavings, sheet, shield, shit, shithead, silt, sinter, skin, skunk, slab, slack, slag, slat, slice, slime, slob, slop, slops, slosh, slough, sludge, slush, smut, snake, soapsuds, soot, sordes, souffle, sperm, sperm cell, spermagonium, spermatic fluid, spermatid, spermatiophore, spermatium, spermatocyte, spermatogonium, spermatophore, spermatozoa, spermatozoid, spermatozoon, spindrift, splosh, spoondrift, spray, spread over, spume, stinging, stinker, stubble, sublimate, sud, suds, superimpose, superpose, surf, sweepings, swill, swinish multitude, table, tablet, tares, toad, trash, turd, unwashed, varnish, veil, veneer, vermin, wafer, wastage, waste, waste matter, wastepaper, weeds, whip, whisk, white water

Etymology
From scum:, scom:, from  *undefined: or  schume:, both from, from. Cognate with schuim:,  Schaum:,  and  skum:. Compare also écume:,  schiuma: from the same Germanic source. Related to.

Noun

 * Finnish:
 * French:, ,  ,


 * Greek: απόβρασμα, απόβλητο
 * Italian:


 * Dutch:
 * Finnish: roskaväki, pohjasakka
 * French:, ,
 * Greek: απόβρασμα, ,


 * Portuguese: escória
 * Russian:, негодяй, сволочь
 * Spanish: ,

Anagrams

 * cums
 * USMC