THESAURUS
Poison
Cain, DDD, DDT, Paris green, abomination, abuse, acaricide, activate, adulterate, adulteration, afflict, aggrieve, alloy, annihilate, anthelmintic, antibiotic, antimony, antiseptic, apache, arsenic, arsenic trioxide, assassin, assassinator, atrocity, bad, bane, befoul, befoulment, bereave of life, beryllium, bewitch, bichloride of mercury, blight, bloodletter, bloodshedder, bravo, bug bomb, burker, butcher, button man, cadmium, cancer, canker, cannibal, carbamate insecticide, carbolic acid, carbon monoxide, carbon tetrachloride, carry away, carry off, charge, cheapen, chemosterilant, chlorinated hydrocarbon insecticide, chlorine, chloroform, coarsen, communicability, condemn, confound, contact poison, contagion, contagiousness, contaminate, contamination, corrupt, corruption, crucify, crying evil, curse, cut down, cut off, cutthroat, cyanide, damage, deadliness, debase, debauch, defile, defilement, deflower, defoliant, degenerate, degrade, demoralize, denature, deprave, deprive of life, desecrate, desperado, despoil, despoliation, destroy, destruction, destructiveness, detriment, devalue, disadvantage, disinfectant, dispatch, dispose of, disserve, distort, distress, do a mischief, do away with, do evil, do for, do ill, do to death, do wrong, do wrong by, doom, embalming fluid, empoison, end, envenom, eradicant, eradicator, evil, execute, executioner, exterminate, exterminator, finish, finish off, formaldehyde, fumigant, fungicide, garroter, germicide, get into trouble, gorilla, grievance, gun, gunman, gunsel, harass, harm, hatchet man, havoc, head-hunter, herbicide, hex, hit man, homicidal maniac, homicide, hurt, hydrocyanic acid, hyoscyamine, ill, immolate, impair, infect, infection, infectiousness, infectivity, injure, injury, insect powder, insecticide, irradiate, jinx, kill, killer, launch into eternity, lead, liquidate, lynch, make away with, malignancy, maltreat, man-eater, man-killer, manslayer, martyr, martyrize, massacrer, matador, menace, mephitic, mephitis, mercuric chloride, mercury, miasma, microbicide, mischief, mistreat, misuse, miticide, molest, murder, murderer, mustard gas, nicotine, noxiousness, organic chlorine, organic phosphate insecticide, outrage, panther piss, persecute, pervert, pesticide, pestilence, phenol, plague, play havoc with, play hob with, poison gas, poisoner, poisonousness, pollute, pollution, prejudice, prostitute, prussic acid, purge, put away, put down, put to death, put to sleep, radiumize, rat poison, ravage, ravish, remove from life, roach paste, roach powder, rodenticide, rotgut, sacrifice, savage, scathe, selenium, shellac, slaughterer, slay, slayer, sophistication, stain, starve, stomach poison, strangler, strychnine, subvert, systemic, systemic insecticide, taint, take life, take off, the worst, threaten, thug, torment, torpedo, torture, toxic, toxicant, toxicity, toxin, trigger man, twist, ulcerate, venin, venom, venomous, venomousness, vermicide, vexation, violate, virulence, virulency, virulent, virus, vitiate, vulgarize, warp, weed killer, woe, wound, wreak havoc on, wrong
ROGET THESAURUS
Poison
Deterioration
VB
be worse, be deteriorated, become worse, become deteriorated Adj, have seen better days, deteriorate, degenerate, fall off, wane, ebb, retrograde, decline, droop, go down, go downhill, go from bad to worse, go farther and fare worse, jump out of the frying pan into the fire, run to seed, go to seed, run to waste swale, sweal, lapse, be the worse for, sphacelate: break, break down, spring a leak, crack, start, shrivel, fade, go off, wither, molder, rot, rankle, decay, go bad, go to decay, fall into decay, fall into the sear and yellow leaf, rust, crumble, shake, totter, totter to its fall, perish, die, deteriorate, weaken, put back, set back, taint, infect, contaminate, poison, empoison, envenom, canker, corrupt, exulcerate, pollute, vitiate, inquinate, debase, embase, denaturalize, denature, leaven, deflower, debauch, defile, deprave, degrade, ulcerate, stain, discolor, alloy, adulterate, sophisticate, tamper with, prejudice, pervert, prostitute, demoralize, brutalize, render vicious, embitter, acerbate, exacerbate, aggravate, injure, impair, labefy, damage, harm, hurt, shend, scath, scathe, spoil, mar, despoil, dilapidate, waste, overrun, ravage, pillage, wound, stab, pierce, maim, lame, surbate, cripple, hough, hamstring, hit between wind and water, scotch, mangle, mutilate, disfigure, blemish, deface, warp, blight, rot, corrode, erode, wear away, wear out, gnaw, gnaw at the root of, sap, mine, undermine, shake, sap the foundations of, break up, disorganize, dismantle, dismast, destroy, damnify, do one's worst, knock down, deal a blow to, play havoc with, play sad havoc with, play the mischief with, play the deuce with, play the very devil with, play havoc among, play sad havoc among, play the mischief among, play the deuce among, play the very devil among, decimate.
N
deterioration, debasement, wane, ebb, recession, retrogradation, decrease, degeneracy, degeneration, degenerateness, degradation, depravation, depravement, devolution, depravity, demoralization, retrogression, masochism, impairment, inquination, injury, damage, loss, detriment, delaceration, outrage, havoc, inroad, ravage, scath, perversion, prostitution, vitiation, discoloration, oxidation, pollution, defoedation, poisoning, venenation, leaven, contamination, canker, corruption, adulteration, alloy, decline, declension, declination, decadence, decadency, falling off, caducity, decrepitude, decay, dilapidation, ravages of time, wear and tear, corrosion, erosion, moldiness, rottenness, moth and rust, dry rot, blight, marasmus, atrophy, collapse, disorganization, delabrement (destruction), aphid, Aphis, plant louse, puceron, vinefretter, vinegrub, wreck, mere wreck, honeycomb, magni nominis umbra, jade, plug, rackabones, skate, tackey, tacky, have seen better days, deteriorate, degenerate, fall off, wane, ebb, retrograde, decline, droop, go down, go downhill, go from bad to worse, go farther and fare worse, jump out of the frying pan into the fire, run to seed, go to seed, run to waste swale, sweal, lapse, be the worse for, sphacelate: break, break down, spring a leak, crack, start, shrivel, fade, go off, wither, molder, rot, rankle, decay, go bad, go to decay, fall into decay, fall into the sear and yellow leaf, rust, crumble, shake, totter, totter to its fall, perish, die, deteriorate, weaken, put back, set back, taint, infect, contaminate, poison, empoison, envenom, canker, corrupt, exulcerate, pollute, vitiate, inquinate, debase, embase, denaturalize, denature, leaven, deflower, debauch, defile, deprave, degrade, ulcerate, stain, discolor, alloy, adulterate, sophisticate, tamper with, prejudice, pervert, prostitute, demoralize, brutalize, render vicious, embitter, acerbate, exacerbate, aggravate, injure, impair, labefy, damage, harm, hurt, shend, scath, scathe, spoil, mar, despoil, dilapidate, waste, overrun, ravage, pillage, wound, stab, pierce, maim, lame, surbate, cripple, hough, hamstring, hit between wind and water, scotch, mangle, mutilate, disfigure, blemish, deface, warp, blight, rot, corrode, erode, wear away, wear out, gnaw, gnaw at the root of, sap, mine, undermine, shake, sap the foundations of, break up, disorganize, dismantle, dismast, destroy, damnify, do one's worst, knock down, deal a blow to, play havoc with, play sad havoc with, play the mischief with, play the deuce with, play the very devil with, play havoc among, play sad havoc among, play the mischief among, play the deuce among, play the very devil among, decimate, Adj, unimproved &c (improve), deteriorated, altered, altered for the worse, injured, sprung, withering, spoiling, on the wane, on the decline, tabid, degenerate, marescent, worse, the worse for, all the worse for, out of repair, out of tune, imperfect, the worse for wear, battered, weathered, weather-beaten, stale, passe, shaken, dilapidated, frayed, faded, wilted, shabby, secondhand, threadbare, worn, worn to a thread, worn to a shadow, worn to the stump, worn to rags, reduced, reduced to a skeleton, far gone, tacky, decayed, moth-eaten, worm-eaten, mildewed, rusty, moldy, spotted, seedy, time-worn, moss-grown, discolored, effete, wasted, crumbling, moldering, rotten, cankered, blighted, tainted, depraved, decrepid, decrepit, broke, busted, broken, out of commission, hors de combat, out of action, broken down, done, done for, done up, worn out, used up, finished, beyond saving, fit for the dust hole, fit for the wastepaper basket, past work, at a low ebb, in a bad way, on one's last legs, undermined, deciduous, nodding to its fall, tottering, past cure, fatigued, retrograde, deleterious, out of the frying pan into the fire, agrescit medendo, what a falling off was there!.
Bane
N
bane, curse, evil, hurtfulness, painfulness, scourge, damnosa hereditas, white elephant, sting, fang, thorn, tang, bramble, brier, nettle, poison, toxin, teratogen, leaven, virus venom, arsenic, antimony, tartar emetic, strychnine, nicotine, miasma, miasm, mephitis, malaria, azote, sewer gas, pest, Albany hemp, arsenious oxide, arsenious acid, bichloride of mercury, carbonic acid, carbonic gas, choke damp, corrosive sublimate, fire damp, hydrocyanic acid, cyanide, Prussic acid, hydrogen cyanide, marsh gas, nux vomica, ratsbane, hemlock, hellebore, nightshade, belladonna, henbane, aconite, banewort, bhang, ganja, hashish, Upas tree, Toxline (online), rust, worm, helminth, moth, moth and rust, fungus, mildew, dry rot, canker, cankerworm, cancer, torpedo, viper, demon, toxicology, baneful, poisonous, phr, bibere venenum in auro, Contingent Subservience.