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

• Independent

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