Synonyms for Harmful:

• adj.

  •all (adjective)
  • harmful.
  •baleful (adjective)
  • fore boding,
  • fore-boding,
  • most foreboding,
  • more foreboding,
  • venomous.
  •baneful (adjective)
  • more malefic,
  • malefic,
  • most malefic.
  •calamitous (adjective)
  • un favorable,
  • un fortunate,
  • un-fortunate,
  • un-favorable,
  • more blighting,
  • most blighting.
  •damaging (adjective)
  • more nocent,
  • most nocent,
  • pre-judicial,
  • pre judicial,
  • nocent.
  •dangerous (adjective)
  • pestilent,
  • Nocuous.
  •deadly (adjective)
  • more destroying,
  • un relenting,
  • most slaying,
  • more carcinogenic,
  • most killing,
  • killing,
  • more slaying,
  • more deathdealing,
  • murderous,
  • more killing,
  • more death-dealing,
  • most destroying,
  • most carcinogenic,
  • most mortiferous,
  • most deathdealing,
  • more death dealing,
  • un-relenting,
  • most death dealing,
  • de stroying,
  • de-stroying,
  • more mortiferous,
  • deathdealing,
  • most death-dealing,
  • death dealing.
  •destructive (adjective)
  • devastating,
  • consumptive,
  • Lethiferous,
  • Extirpative,
  • Wrackful,
  • Wreckful,
  • feller,
  • Eradicative.
  •disadvantageous (adjective)
  • most uncomplimentary,
  • more debit side,
  • dis-advantageous,
  • in expedient,
  • most dyslogistic,
  • un-complimentary,
  • in opportune,
  • in-opportune,
  • more dyslogistic,
  • ill-timed,
  • un-profitable,
  • more debit-side,
  • most detracting,
  • most downside,
  • dis advantageous,
  • most debitside,
  • on debit side,
  • most debit-side,
  • more detracting,
  • un complimentary,
  • more debitside,
  • most debit side,
  • un profitable,
  • more uncomplimentary,
  • de rogatory,
  • in-expedient,
  • debitside,
  • illtimed,
  • de-rogatory,
  • more downside,
  • objectionable.
  •disastrous (adjective)
  • unpropitious,
  • ill fated,
  • un-luckier,
  • un luckier,
  • un-lucky,
  • un-propitious,
  • un luckiest,
  • illfated,
  • un propitious,
  • ill-starred,
  • un lucky,
  • illstarred,
  • ill starred,
  • un-luckiest.
  •evil (adjective)
  • heinous,
  • black,
  • maleficent,
  • no good.
  •fetid (adjective)
  • Malarious.
  •grievous (adjective)
  • in tolerable,
  • most heart-rending,
  • more wounding,
  • up-setting,
  • dis-quieting,
  • heart rending,
  • dis quieting,
  • more afflicting,
  • in-tolerable,
  • more heart rending,
  • un-bearable,
  • most afflicting,
  • up setting,
  • un bearable,
  • more heart-rending,
  • most heart rending,
  • egregious,
  • most wounding.
  •harmful (adjective)
  • malignant,
  • unwholesome.
  •hurtful (adjective)
  • most hurting,
  • more hurting,
  • un kinder,
  • un-kind,
  • un-kinder,
  • un-kindest,
  • un kind,
  • un kindest.
  •ill (adjective)
  • in-auspicious,
  • un promising,
  • dis-respectful,
  • un friendliest,
  • dis respectful,
  • illmannered,
  • un gracious,
  • most unpromising,
  • un friendlier,
  • in auspicious,
  • un-friendlier,
  • ill mannered,
  • more unpromising,
  • un-promising,
  • un-friendly,
  • un-gracious,
  • un-friendliest.
  •inimical (adjective)
  • unwelcoming,
  • Oppugnant,
  • ill-disposed,
  • inimicable.
  •injurious (adjective)
  • unconducive,
  • more unconducive,
  • un-conducive,
  • un conducive,
  • un-juster,
  • un-justest,
  • un just,
  • most unconducive,
  • un justest,
  • opprobrious,
  • un juster,
  • more libeling,
  • most libeling,
  • un-just.
  •injurious, hurtful (adjective)
  • undermining.
  •insalubrious (adjective)
  • in salubrious,
  • in-salubrious.
  •lethal (adjective)
  • necrotic.
  •lousy (adjective)
  • slovenly,
  • unwelcome,
  • secondrate,
  • second rate,
  • second-rate,
  • shoddy.
  •malign (adjective)
  • de spiteful,
  • de-spiteful.
  •mischievous (adjective)
  • most exasperating,
  • more dickens,
  • ex-asperating,
  • pre-carious,
  • illbehaved,
  • mis behaving,
  • more illbehaved,
  • impish,
  • teasing,
  • most dickens,
  • more ill behaved,
  • ex asperating,
  • most ill behaved,
  • holy terror,
  • most ill-behaved,
  • more exasperating,
  • most vexing,
  • most misbehaving,
  • most rascal,
  • ill behaved,
  • pre carious,
  • most illbehaved,
  • more vexing,
  • most rascally,
  • mis-behaving,
  • more rascal,
  • more ill-behaved,
  • more misbehaving,
  • more rascally.
  •noisome (adjective)
  • yucky,
  • Insalutary.
  •Other relevant words: (adjective)
  • inimical,
  • hurtful,
  • dyslogistic,
  • detrimental,
  • debit-side,
  • sinister,
  • toxic,
  • rascally,
  • destructive,
  • noisome,
  • disadvantageous,
  • noxious,
  • virulent,
  • injurious,
  • grievous,
  • deadly,
  • cancerous,
  • lethal,
  • Unnutritious,
  • Doomful,
  • unsalutary,
  • blackhearted,
  • pathological,
  • carcinogenic,
  • uncomplimentary,
  • lousy,
  • calamitous,
  • damaging,
  • unhealthful,
  • pernicious,
  • insalubrious,
  • unhealthy,
  • baneful,
  • Mortiferous,
  • heart-rending,
  • nasty,
  • unpromising,
  • ill timed,
  • baleful,
  • pestiferous,
  • death-dealing,
  • on the debit side,
  • ill-behaved,
  • evil,
  • disastrous,
  • pestilential,
  • dickens,
  • septic,
  • malign,
  • debit side.
  •pernicious (adjective)
  • Miasmatic.
  •pestilent (adjective)
  • more tainting,
  • more pestilent,
  • most tainting,
  • most contaminating,
  • dis-eased,
  • dis eased,
  • more contaminating.
  •sinister (adjective)
  • dis-honest,
  • dis honest,
  • illboding,
  • more doomful,
  • portentous,
  • most blackhearted,
  • Ill-boding,
  • most doomful,
  • more blackhearted,
  • ill boding.
  •toxic (adjective)
  • more septic,
  • most septic.
  •unhealthful (adjective)
  • un healthful,
  • more contaminated,
  • un-healthful.
  •unsalutary (adjective)
  • un salutary,
  • un-salutary.
  •unwholesome (adjective)
  • un clean,
  • un-wholesome,
  • un cleaner,
  • un-nutritious,
  • more unnutritious,
  • un cleanest,
  • un nutritious,
  • most pathological,
  • un wholesome,
  • un-cleanest,
  • more pathological,
  • un-cleaner,
  • most unnutritious.
  •virulent (adjective)
  • more infective,
  • infective,
  • most infective.

• n.

  •
  • risky.
  •
  • help.
  •abusive (noun)
  • abusive.
  •adverse (noun)
  • adverse.
  •bruising (noun)
  • bruising.
  •calumniatory (noun)
  • calumniatory.
  •calumnious (noun)
  • calumnious.
  •catastrophic (noun)
  • catastrophic.
  •corrupting (noun)
  • corrupting.
  •counterproductive (noun)
  • counterproductive.
  •dangerous (noun)
  • dangerous.
  •defamatory (noun)
  • defamatory.
  •degrading (noun)
  • degrading.
  •deleterious (noun)
  • deleterious.
  •denigrating (noun)
  • denigrating.
  •denigrative (noun)
  • denigrative.
  •denigratory (noun)
  • denigratory.
  •harmful (noun)
  • negative,
  • bad,
  • insidious,
  • vesicatory,
  • stabbing,
  • ill,
  • prejudicial,
  • mischievous,
  • traumatic,
  • minus,
  • wounding,
  • unfavourable,
  • subtle,
  • vesicant,
  • ruinous,
  • libellous,
  • unfavorable,
  • slanderous,
  • untoward,
  • inauspicious,
  • prejudicious,
  • unsafe,
  • libelous.
  •injurious (noun)
  • habit-forming,
  • distressing,
  • fell,
  • Sinistrous,
  • internecine,
  • undetermining,
  • aching,
  • felonious,
  • subversive,
  • diabolic,
  • ill-omened,
  • doing harm,
  • satanic,
  • Afflicting,
  • corrosive,
  • morbific,
  • incendiary,
  • cruel,
  • sore,
  • Harassing,
  • Sapping,
  • sinful,
  • Fiendish,
  • vicious,
  • devouring,
  • fraught with harm,
  • demolitionary,
  • fraught with evil,
  • ominous,
  • malicious,
  • stunting,
  • demoniac,
  • dire,
  • mephitic,
  • brutal,
  • malevolent,
  • crippling,
  • unfortunate,
  • devilish,
  • menacing,
  • wicked,
  • corrupt,
  • wild,
  • pricking,
  • painful,
  • annihilative,
  • unlucky,
  • corroding.
  •Other relevant words: (noun)
  • attribution,
  • health.

• Other synonyms:

  •
  • lunatic,
  • perilously,
  • threatening,
  • wanton,
  • overactive,
  • kamikaze,
  • marauding,
  • dangerously,
  • undesirable,
  • mortally,
  • perilous,
  • hazardous,
  • sketchy,
  • treacherous,
  • hard-on,
  • combustible,
  • cataclysmic,
  • parlous,
  • precarious.
  •
  • glowering,
  • hostile,
  • unsound,
  • sticky,
  • convulsive,
  • ferocious.
  •
  • fatal,
  • explosive,
  • serious,
  • suspect,
  • terrible,
  • volatile,
  • mortal,
  • seriously.
  •
  • hot.
  •absorbing
  • consuming.
  •delicate
  • touchy.
  •hard-on
  • hell on.
  •high-priced
  • costly.
  •injurious
  • invidious.
  •unpalatable
  • inedible.
  •Other relevant words (noun):
  • incorrect,
  • bitchy,
  • worthless,
  • not easy,
  • acute,
  • mischief-making,
  • counteractive,
  • biting,
  • vitriolic,
  • difficult,
  • uncomely,
  • suicidal,
  • iii,
  • acid,
  • spiteful,
  • mordant,
  • scorching,
  • tainted,
  • miasmic,
  • exploitive,
  • cutting,
  • stressful,
  • underhand,
  • in opposition,
  • peccant,
  • pathogenic,
  • unseemly,
  • improper,
  • agonizing,
  • violent,
  • Misapplied,
  • fierce,
  • insanitary,
  • scathing,
  • Searing,
  • miserable,
  • Perverting,
  • opposing,
  • offensive,
  • conflicting,
  • rotten,
  • sneaky,
  • harsh,
  • sharp,
  • opposite,
  • Venenate,
  • exploitative,
  • perverted,
  • severe,
  • villainous,
  • unhelpful,
  • counter-productive,
  • unrewarding,
  • Scatheful,
  • polluted,
  • antagonistic,
  • unadvantageous,
  • grave,
  • shocking,
  • trying,
  • unsanitary,
  • counter,
  • vitiated,
  • bad for,
  • useless,
  • life-threatening,
  • corruptive,
  • foul,
  • debased,
  • troublous,
  • keen,
  • stern,
  • mean,
  • vile,
  • nefarious,
  • hateful,
  • hard,
  • veneniferous,
  • wrong,
  • base,
  • inopportune,
  • tumbledown,
  • iniquitous,
  • cussed,
  • contaminated,
  • indecorous,
  • venenous,
  • poisonous,
  • dreadful,
  • opposed,
  • ornery,
  • contrary,
  • depraved,
  • inexpedient,
  • Disserviceable,
  • savage,
  • burning,
  • awful,
  • fateful,
  • badly,
  • unprofitable,
  • indecent,
  • disturbing,
  • upsetting,
  • unconstructive,
  • Scathful,
  • withering,
  • heavy,
  • acrid,
  • furtive,
  • rigorous,
  • wretched,
  • traumatizing,
  • unbecoming,
  • disapproving,
  • troublesome,
  • acrimonious,
  • pessimistic,
  • unhygienic,
  • incisive,
  • exploitatory.

Paraphrases for Harmful:

• Equivalence

  • Adjective
    adverse, counterproductive, deleterious, destructive, detrimental, disadvantageous, hazardous, hurtful, inimical, injurious, negative, noxious, prejudicial, unfavorable, unfavourable.
  • Proper noun, singular
    adverse, deleterious, detrimental, hazardous, injurious, noxious, prejudicial.
  • Noun, singular or mass
    hazardous, injurious, noxious.
  • Verb, past tense
    detrimental.
  • Verb, 3rd person singular present
    prejudicial.
  • Verb, base form
    noxious.

• Independent

  • Adjective
    calamitous, catastrophic, debilitating, devastating, dire, disadvantaged, disastrous, disruptive, dreadful, endangered, evil, fatal, fateful, harmless, ill, insidious, malicious, malign, nefarious, objectionable, painful, perverse, poisonous, risky, ruinous, serious, severe, threatening, treacherous, undesirable, unfair, unfortunate, unhealthy, unhelpful, unsound, untoward, unwanted, Endangering, Polluting, life-threatening, counter-productive, nonperforming.
  • Proper noun, singular
    shortcomings, disadvantages, cons, weaknesses.
  • Noun, singular or mass
    damage, challenges.
  • Verb, base form
    damage.

• Other Related

  • Adjective
    harm.
  • Noun, singular or mass
    harm.
  • Verb, base form
    harm.

Antonyms for Harmful:

• adj.

  • all
    harmless.
  • injurious, hurtful
    good, Aiding, favorable, lucky, profitable, healthy, helpful, upright, Assisting, honest, kind, beneficial, safe, advantageous, fortunate.
  • Other antonyms:
    nonpoisonous, beneficent, nonfatal, curative, nonpolluting, useful, nonvenomous, nonlethal, noninfectious, rejuvenating, sound, noncorrosive, nondestructive, invigorating, life-giving, secure, propitious, remedial, serviceable, palliative, nontoxic.