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HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
THESAURUS
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WORDNET DICTIONARY

Adjective baneful has 2 senses

• baneful(s = adj.all) deadly, pernicious, pestilent - exceedingly harmful; Array
• baneful(s = adj.all) baleful - deadly or sinister; "the Florida eagles have a fierce baleful look"

CIDE DICTIONARY

THESAURUS

baneful

apocalyptic, appalling, atrocious, awful, bad, baleful, beastly, black, bodeful, boding, brutal, calamitous, cataclysmal, cataclysmic, catastrophic, consuming, consumptive, corroding, corrosive, corrupting, corruptive, counterproductive, damaging, dark, deadly, death-bringing, deathful, deathly, deleterious, demolishing, demolitionary, depredatory, desolating, destroying, destructive, detrimental, devastating, dire, direful, disadvantageous, disastrous, disserviceable, distressing, doomful, dreadful, dreary, evil, evil-starred, fatal, fateful, feral, foreboding, fratricidal, gloomy, grim, harmful, hideous, horrendous, horrible, horrid, horrific, horrifying, hurtful, ill, ill-boding, ill-fated, ill-omened, ill-starred, inauspicious, injurious, insalubrious, internecine, killing, lethal, lowering, malefic, malevolent, malign, malignant, menacing, mischievous, mortal, nihilist, nihilistic, noisome, noxious, of evil portent, ominous, pernicious, pestiferous, pestilent, pestilential, poisonous, portending, portentous, prejudicial, ravaging, rotten, ruining, ruinous, savage, scatheful, self-destructive, shocking, sinister, somber, subversionary, subversive, suicidal, terrible, threatening, toxic, tragic, unfavorable, unfortunate, unhealthy, unlucky, unpromising, unpropitious, unspeakable, untoward, unwholesome, vandalic, vandalish, vandalistic, venenate, veneniferous, venenous, venomous, vicious, virulent, wasteful, wasting, withering

ROGET THESAURUS

baneful

Badness

N badness, hurtfulness, virulence, evil doer, bane, plague spot, evil star, ill wind, hoodoo, Jonah, snake in the grass, skeleton in the closet, amari aliquid, thorn in the side, malignity, malevolence, tender mercies, ill-treatment, annoyance, molestation, abuse, oppression, persecution, outrage, misusage, injury, knockout drops, badness, peccancy, abomination, painfulness, pestilence, guilt, depravity, hurtful, harmful, scathful, baneful, baleful, injurious, deleterious, detrimental, noxious, pernicious, mischievous, full of mischief, mischief-making, malefic, malignant, nocuous, noisome, prejudicial, disserviceable, disadvantageous, wide-wasting, unlucky, sinister, obnoxious, untoward, disastrous, oppressive, burdensome, onerous, malign, corrupting &c (corrupt), virulent, venomous, envenomed, corrosive, poisonous, deadly, destructive, inauspicious, bad, ill, arrant, as bad as bad can be, dreadful, horrid, horrible, dire, rank, peccant, foul, fulsome, rotten, rotten at the core, vile, base, villainous, mean, injured, deteriorated, unsatisfactory, exceptionable indifferent, below par, illcontrived, ill-conditioned, wretched, sad, grievous, deplorable, lamentable, pitiful, pitiable, woeful, evil, wrong, depraved, shocking, reprehensible, hateful, hateful as a toad, abominable, detestable, execrable, cursed, accursed, confounded, damned, damnable, infernal, diabolic, unadvisable, unprofitable, incompetent, irremediable, badly, wrong, ill, to one's cost, where the shoe pinches, bad is the best: the worst come to the worst, herba mala presto cresco, wrongs unredressed or insults unavenged.

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.

For further exploring for "baneful" in Webster Dictionary Online