Synonyms for Noxious:

• adj.

  •all (adjective)
  • noxious.
  •bad (adjective)
  • ill.
  •baleful (adjective)
  • fore boding,
  • most foreboding,
  • more foreboding,
  • more evil,
  • fore-boding.
  •baneful (adjective)
  • wicked,
  • malefic.
  •corrupt (adjective)
  • more infected,
  • most infected,
  • most contaminated,
  • more polluted,
  • de-filed,
  • more contaminated,
  • most putrescent,
  • de filed,
  • most polluted,
  • more putrescent.
  •dangerous (adjective)
  • pestilent,
  • Nocuous.
  •deadly (adjective)
  • more death-dealing,
  • more death dealing,
  • un-relenting,
  • most slaying,
  • deathdealing,
  • killing,
  • murderous,
  • most death dealing,
  • more mortiferous,
  • de-stroying,
  • most deathdealing,
  • more deathdealing,
  • most mortiferous,
  • more carcinogenic,
  • most carcinogenic,
  • most destroying,
  • more slaying,
  • un relenting,
  • more killing,
  • death dealing,
  • most death-dealing,
  • de stroying,
  • most killing,
  • more destroying.
  •deadly, injurious (adjective)
  • poisonous,
  • spoiled,
  • venomous,
  • foul,
  • sickly,
  • Insalutary,
  • deleterious,
  • dangerous,
  • unwholesome,
  • detrimental,
  • putrid,
  • stinking.
  •deathly (adjective)
  • extreme.
  •destructive (adjective)
  • feller,
  • Wreckful,
  • Extirpative,
  • Lethiferous,
  • Eradicative,
  • Wrackful.
  •fatal (adjective)
  • in curable,
  • in evitable,
  • ill-starred,
  • illstarred,
  • ill fated,
  • in-curable,
  • illfated,
  • in-evitable,
  • ill starred.
  •fetid (adjective)
  • Malarious,
  • grody,
  • Stenchy,
  • stenchiest,
  • mephitic,
  • yucky,
  • yecchy,
  • fusty,
  • stinkiest,
  • stinky.
  •foul-smelling (adjective)
  • malodorous.
  •harmful (adjective)
  • mischievous,
  • Harassing.
  •hateful (adjective)
  • malicious.
  •hurtful (adjective)
  • most wounding,
  • un kindest,
  • un kind,
  • pre-judicial,
  • most hurting,
  • up setting,
  • un-kindest,
  • un-kinder,
  • un-kind,
  • up-setting,
  • pre judicial,
  • more wounding,
  • more hurting,
  • un kinder.
  •ill (adjective)
  • ill mannered,
  • unpropitious,
  • un-friendlier,
  • more unpromising,
  • most unpromising,
  • un-favorable,
  • inauspicious,
  • un promising,
  • dis-respectful,
  • in auspicious,
  • most nocent,
  • un fortunate,
  • un gracious,
  • un friendlier,
  • un-lucky,
  • un luckier,
  • un-luckiest,
  • in-auspicious,
  • un lucky,
  • un-gracious,
  • un propitious,
  • un friendliest,
  • dis respectful,
  • illmannered,
  • un-propitious,
  • un-friendly,
  • more nocent,
  • un-luckier,
  • un-promising,
  • un favorable,
  • un luckiest,
  • un-fortunate,
  • un-friendliest.
  •infectious (adjective)
  • more infective,
  • infective,
  • more polluting,
  • dis eased,
  • dis-eased,
  • most miasmic,
  • more miasmic,
  • most transmittable,
  • more defiling,
  • miasmic,
  • most contaminating,
  • more vitiating,
  • de-filing,
  • most infective,
  • most poisoning,
  • most polluting,
  • more contaminating,
  • more transmittable,
  • most vitiating,
  • more poisoning,
  • most defiling,
  • de filing.
  •inimical (adjective)
  • unwelcoming,
  • ill-disposed,
  • Oppugnant,
  • inimicable.
  •injurious (adjective)
  • more unconducive,
  • un juster,
  • un conducive,
  • most unconducive,
  • more libeling,
  • un-juster,
  • un-just,
  • un-conducive,
  • un justest,
  • un-justest,
  • most libeling,
  • unconducive,
  • opprobrious,
  • un just.
  •insalubrious (adjective)
  • in salubrious,
  • in-salubrious.
  •lethal (adjective)
  • necrotic.
  •malicious (adjective)
  • greeneyed,
  • beastlier,
  • more badnatured,
  • de spiteful,
  • de-spiteful,
  • most cussed,
  • more bad natured,
  • un-cool,
  • evilminded,
  • beastliest,
  • most bad natured,
  • more uncool,
  • badnatured,
  • most badnatured,
  • most uncool,
  • un cool,
  • evil minded,
  • more cussed,
  • green eyed,
  • more bad-natured,
  • most bad-natured,
  • bad natured.
  •malign (adjective)
  • more maleficent,
  • most maleficent.
  •malodorous (adjective)
  • de-composed,
  • most decomposed,
  • more decomposed,
  • most stenchful,
  • more stenchful,
  • de composed,
  • frowzy.
  •mephitical (adjective)
  • Mephitical.
  •mortal (adjective)
  • remorseless,
  • most ending,
  • more ending.
  •nasty (adjective)
  • dis agreeable,
  • unholy,
  • un-cleanly,
  • un cleanest,
  • un cleanly,
  • un-cleanlier,
  • soiled,
  • un-cleaner,
  • bummest,
  • un appetizing,
  • un cleanliest,
  • un godliest,
  • un holiest,
  • un godly,
  • un-holy,
  • un holy,
  • un-holiest,
  • un clean,
  • un-appetizing,
  • un-godly,
  • un-cleanest,
  • un holier,
  • uncleanly,
  • dis-agreeable,
  • un cleanlier,
  • un-godliest,
  • un cleaner,
  • un-holier,
  • un-pleasant,
  • un godlier,
  • un pleasant,
  • un-cleanliest,
  • un-godlier.
  •objectionable (adjective)
  • unwelcome,
  • dislikable.
  •pestilent/pestilential (adjective)
  • more pestilent,
  • most tainting,
  • more tainting.
  •poison/poisonous (adjective)
  • more toxiferous,
  • most septic,
  • more septic,
  • most toxiferous.
  •rancid (adjective)
  • putrefactive,
  • whiffy,
  • feculent,
  • carious,
  • curdled,
  • evil-smelling.
  •rank (adjective)
  • strong-smelling.
  •rotten (adjective)
  • most overripe,
  • more purulent,
  • over ripe,
  • most perished,
  • more corroded,
  • dis integrating,
  • more bad smelling,
  • most corroded,
  • badsmelling,
  • most fecal,
  • more festering,
  • most purulent,
  • most smelling,
  • most disintegrating,
  • Perished,
  • most pustular,
  • un-soundest,
  • more moldering,
  • more disintegrated,
  • most putrified,
  • most festering,
  • more putrified,
  • un sounder,
  • most crumbled,
  • Pustular,
  • most bad-smelling,
  • most disintegrated,
  • more badsmelling,
  • un-sounder,
  • dis-integrated,
  • more bad-smelling,
  • dis-integrating,
  • more perished,
  • more smelling,
  • more fecal,
  • most moldering,
  • more overripe,
  • un sound,
  • dis integrated,
  • more pustular,
  • un-sound,
  • more crumbled,
  • most badsmelling,
  • bad smelling,
  • most bad smelling,
  • rotting,
  • more disintegrating.
  •sickly (adjective)
  • bilious.
  •unhealthful (adjective)
  • un healthful,
  • un-healthful.
  •unhealthy (adjective)
  • diseased,
  • unhygienic,
  • contagious,
  • malignant,
  • unsanitary,
  • infected,
  • gangrenous,
  • contaminated.
  •unsalutary (adjective)
  • un salutary,
  • un-salutary.
  •unwholesome (adjective)
  • most pathological,
  • un-nutritious,
  • more pathological,
  • un wholesome,
  • un-wholesome,
  • un nutritious,
  • most unnutritious,
  • more unnutritious.
  •venomous (adjective)
  • more viperish,
  • most viperish.
  •vile (adjective)
  • de-based,
  • dis graceful,
  • de based,
  • dis-graceful.

• n.

  •
  • disastrous,
  • unsafe,
  • risky,
  • perilous,
  • hazardous.
  •
  • help.
  •corrupting (noun)
  • corrupting.
  •degrading (noun)
  • degrading.
  •foul (noun)
  • offensive.

• v.

  •contaminated (verb)
  • polluted.

• Other synonyms:

  •
  • virulent.
  •
  • Poisoned.
  •contagious
  • catching.
  •Other relevant words:
  • maggoty,
  • obnoxious,
  • internecine,
  • cussed,
  • reasy,
  • objectionable,
  • corrosive,
  • fecal,
  • cloying,
  • stale,
  • base,
  • terrific,
  • repugnant,
  • reeking,
  • uncomely,
  • prejudicial,
  • invidious,
  • peccant,
  • bad for,
  • moldy,
  • ornery,
  • nauseant,
  • Weevily,
  • obscene,
  • morbific,
  • detestable,
  • execrable,
  • disagreeable,
  • repulsive,
  • counterproductive,
  • smelly,
  • disgusting,
  • bitchy,
  • brackish,
  • ominous,
  • stuffy,
  • nauseous,
  • sickening,
  • iniquitous,
  • odorous,
  • ruinous,
  • spiteful,
  • Reasty,
  • bad,
  • mawkish,
  • Reeky,
  • calamitous,
  • crippling,
  • insanitary,
  • sulfurous,
  • narcotic,
  • stomach-turning,
  • unbecoming,
  • rebarbative,
  • Envenomed,
  • Scatheful,
  • unpleasant,
  • corroding,
  • malevolent,
  • beastly,
  • odious,
  • pathogenic,
  • vicious,
  • nauseating,
  • tainted,
  • tumbledown,
  • cancerous,
  • mischief-making,
  • morbiferous,
  • fell,
  • loathsome,
  • life-threatening,
  • musty,
  • ignoble,
  • catastrophic,
  • ugly,
  • unlikeable,
  • Disserviceable,
  • abominable,
  • blistery,
  • forbidding,
  • smelling,
  • ulcerous,
  • foul-smelling,
  • beneath contempt,
  • distasteful,
  • funky,
  • disadvantageous,
  • revolting,
  • dead,
  • debased,
  • scurvy,
  • abhorrent,
  • hateful,
  • distressing,
  • fulsome,
  • communicable,
  • dirty,
  • Mildewed,
  • terrible,
  • unsavoury,
  • repellent,
  • teratogenic,
  • adverse,
  • Venenate,
  • frowsty,
  • Frowy,
  • ill-smelling,
  • icky,
  • vesicatory,
  • Miasmatic,
  • Graveolent,
  • high,
  • gamy,
  • unpalatable,
  • corruptive,
  • below contempt,
  • Nidorous,
  • vesicant,
  • damaging,
  • heinous,
  • horrible,
  • cataclysmic,
  • mildewy,
  • Scathful,
  • Putrefying,
  • venenous,
  • filthy,
  • foetid,
  • barfy,
  • Reechy,
  • contemptible,
  • Olid,
  • devastating,
  • suicidal,
  • awful,
  • despicable,
  • pungent,
  • strong,
  • cankerous,
  • veneniferous,
  • mean,
  • azotic,
  • hideous,
  • gamey,
  • stomach-churning,
  • evil,
  • crude,
  • unclean,
  • gross,
  • vitiated,
  • miasmal.

Paraphrases for Noxious:

• Equivalence

  • Adjective
    pernicious, injurious, prejudicial, deleterious, harmful, toxic, poisonous.
  • Proper noun, singular
    injurious, deleterious, harmful, toxic, poisonous.
  • Noun, singular or mass
    injurious, harmful, toxic.
  • Verb, base form
    harmful.

• Independent

  • Adjective
    destructive, malicious, negative, insidious, counterproductive, disastrous, nefarious, disruptive, bad, counter-productive, unsound.

• Other Related

  • Adjective
    dangerous, damaging, adverse.

Antonyms for Noxious:

• adj.

  • all
    innocuous.
  • deadly, injurious
    hygienic, pure, wholesome, helpful, nonpoisonous, curing, harmless, good, sweet, healthy, kind, sterile.
  • Other antonyms:
    serviceable, congenial, pleasing, gratifying, blessed, inviting, attractive, likable, unexceptionable, nondestructive, invigorating, heavenly, beneficent, noncorrosive, Delightsome, nontoxic, nonfatal, nonlethal, alluring, pleasurable, acceptable, nutritious, profitable, rejuvenating, nonpolluting, delightful, advantageous, agreeable, darling, enjoyable, unobjectionable, propitious, secure, welcome, dreamy, nonvenomous, noninfectious, sound, life-giving, favorable, felicitous, benignant, appealing, useful, satisfying, beneficial, desirable, palliative, dulcet, nice, pleasant.