afterdamp, ash, ashes, aspersion, attaint, badge of infamy, bar sinister, baton, bedarken, bedaub, begrime, bend sinister, besmear, besmirch, besmutch, besoil, black, black eye, black mark, blackdamp, blacken, blackening, blackwash, bloodstain, blot, blotch, blur, brand, breath, broad arrow, calx, carbon, censure, champain, charcoal, chokedamp, cinder, clinker, cloud, coal, coke, coom, cork, dab, damp, darken, darkening, daub, defile, denigrate, denigration, dinge, dirty, disparagement, dross, ebonize, effluvium, exhalation, eyesore, fetid air, firedamp, flatus, fleck, flick, fluid, flyspeck, foul, fume, grime, imputation, ink, lava, macula, maculation, macule, malaria, mark, mark of Cain, melanization, melanize, mephitis, miasma, murk, nigrification, nigrify, onus, oversmoke, patch, pillorying, plaster, point champain, puff of smoke, reek, reflection, reprimand, reproach, scoria, shade, shading, shadow, slag, slubber, slur, smarm, smear, smirch, smirching, smoke, smooch, smouch, smudging, smut, smutch, smutching, soil, soilage, soilure, soot, spatter, speck, speckle, splash, splatter, splotch, spot, stain, steam, stigma, stigmatism, stigmatization, sullage, sully, taint, tarnish, vapor, volatile, water vapor
uncleanness, impurity, immundity, immundicity, impurity, defilement, contamination, defoedation, soilure, soiliness, abomination, leaven, taint, tainture, fetor, decay, putrescence, putrefaction, corruption, mold, must, mildew, dry rot, mucor, rubigo, slovenry, slovenliness, squalor, dowdy, drab, slut, malkin, slattern, sloven, slammerkin, slammock, slummock, scrub, draggle-tail, mudlark, dust-man, sweep, beast, dirt, filth, soil, slop, dust, cobweb, flue, smoke, soot, smudge
, smut, grit, grime, raff, sossle, sozzle, sordes, dregs, grounds, lees, argol, sediment, settlement heeltap, dross, drossiness, mother, precipitate, scoriae, ashes, cinders, recrement, slag, scum, froth, hogwash, ditchwater, dishwater, bilgewater, rinsings, cheeseparings, sweepings, offscourings, outscourings, off scum, caput mortuum, residuum, sprue, fecula, clinker, draff, scurf, scurfiness, exuviae, morphea, fur, furfur, dandruff, tartar, riffraff, vermin, louse, flea, bug, chinch, mud, mire, quagmire, alluvium, silt, sludge, slime, slush, slosh, sposh, spawn, offal, gurry, lientery, garbage, carrion, excreta, slough, peccant humor, pus, matter, suppuration, lienteria, faeces, feces, excrement, ordure, dung, crap, shit, sewage, sewerage, muck, coprolite, guano, manure, compost, dunghill, colluvies, mixen, midden, bog, laystall, sink, privy, jakes, toilet, john, head, cess, cesspool, sump, sough, cloaca, latrines, drain, sewer, common sewer, Cloacina, dust hole, sty, pigsty, lair, den, Augean stable, sink of corruption, slum, rookery, dirty, filthy, grimy, unclean, impure, soiled, not to be handled with kid gloves, dusty, snuffy, smutty, sooty, smoky, thick, turbid, dreggy, slimy, mussy, slovenly, untidy, messy, uncleanly, unkempt, sluttish, dowdy, draggle-tailed, uncombed, unscoured, unswept, unwiped, unwashed, unstrained, unpurified, squalid, lutose, slammocky, slummocky, sozzly, nasty, coarse, foul, offensive, abominable, beastly, reeky, reechy, fetid, decayed, moldy, musty, mildewed, rusty, moth-eaten, mucid, rancid, weak, bad, gone bad, etercoral, lentiginous, touched, fusty, effete, reasty, rotten, corrupt, tainted, high, flyblown, maggoty, putrid, putrefactive, putrescent, putrefied, saprogenic, saprogenous, purulent, carious, peccant, fecal, feculent, stercoraceous, excrementitious, scurfy, scurvy, impetiginous, gory, bloody, rotting, rotten as a pear, rotten as cheese, crapulous, gross, fimetarious, fimicolous, they that touch pitch will be defiled.
be unclean, become unclean, rot, putrefy, ferment, fester, rankle, reek, stink, mold, molder, go bad, render unclean, dirt, dirty, daub, blot, blur, smudge
, smutch, soil, smoke, tarnish, slaver, spot, smear, smirch, begrease, dabble, drabble, draggle, daggle, spatter, slubber, besmear, bemire, beslime, begrime, befoul, splash, stain, distain, maculate, sully, pollute, defile, debase, contaminate, taint, leaven, corrupt, cover with dust, drabble in the mud, roil, wallow in the mire, slobber, slabber.
blemish, disfigurement, deformity, adactylism, flaw, defect, injury, spots on the sun, eyesore, stain, blot, spot, spottiness, speck, speckle, blur, tarnish, smudge
, dirt, freckle, mole, macula, patch, blotch, birthmark, blobber lip, blubber lip, blain, maculation, scar, wem, pustule, whelk, excrescence, pimple, pitted, freckled, discolored, imperfect, blobber-lipped, bloodshot, injured.
fuel, firing, combustible, coal, wallsend, anthracite, culm, coke, carbon, charcoal, bituminous coal, tar shale, turf, peat, firewood, bobbing, faggot, log, cinder, ingle, tinder, touchwood, sulphur, brimstone, incense, port-fire, fire-barrel, fireball, brand, amadou, bavin, blind coal, glance coal, German tinder, pyrotechnic sponge, punk, smudge
, solid fueled rocket, wax, paraffin wax, paraffin oil, lamp oil, whale oil, oil, petroleum, gasoline, high octane gasoline, nitromethane, petrol, gas, juice, gasohol, alcohol, ethanol, methanol, fuel oil, kerosene, jet fuel, heating oil, number 2 oil, number 4 oil, naphtha, rocket fuel, high specific impulse fuel, liquid hydrogen, liquid oxygen, lox, natural gas, synthetic gas, synthesis gas, propane, butane, hydrogen, brand, torch, fuse, wick, spill, match, light, lucifer, congreve, vesuvian, vesta, fusee, locofoco, linstock, candle, oil, carbonaceous, combustible, inflammable, high octane, high specific impulse, heat of combustion.