Thesaurus

noxious

adjective

Synonyms and Antonyms of noxious

  1. 1 bad for the well-being of the body mixing bleach and ammonia can cause noxious fumes that can seriously harm you Synonyms of noxious insalubrious, noisome, unhealthy, sickly, unhealthful, unwholesomeWords Related to noxious germy, insanitary, unhygienic, unsanitary; nonnutritious; poisonous, toxic; fatal, lethal, mortalNear Antonyms of noxious hygienic, sanitary; nutritiousAntonyms of noxious healthful, healthy

  2. 2 causing or capable of causing harm noxious smog that for years has been encrusting the historic cathedral with soot Synonyms of noxious adverse, bad, baleful, baneful, damaging, dangerous, deleterious, detrimental, evil, hurtful, ill, injurious, mischievous, nocuous, harmful, pernicious, prejudicial, wickedWords Related to noxious hostile, inimical, unfriendly; contagious, deadly, infectious, infective, pestiferous, pestilent, pestilential, poisonous, venomous; insidious, menacing, ominous, sinister, threatening; hazardous, imperiling (or imperilling), jeopardizing, parlous, perilous, risky, unsafe, unsound; nasty, noisome, unhealthful, unhealthy, unwholesome; destructive, fatal, killer, lethal, malignant, ruinousNear Antonyms of noxious advantageous, beneficial, useful; favorable, good, propitious; curative, healthful, healthy, helpful, palliative, remedial, salubrious, salutary, wholesome; secure, sound; benignant; noncorrosive, nondestructive, nonfatal, noninfectious, nonlethal, nonpoisonous, nonpolluting, nontoxic, nonvenomousAntonyms of noxious anodyne, benign, harmless, hurtless, innocent, innocuous, inoffensive, safe

  3. 3 causing intense displeasure, disgust, or resentment a noxious new breed of horror movie in which graphic depictions of torture are presented as entertainment Synonyms of noxious abhorrent, abominable, appalling, awful, disgusting, distasteful, dreadful, evil, foul, fulsome, gross, hideous, horrendous, horrible, horrid, loathsome, nasty, nauseating, nauseous, noisome, offensive, obnoxious, obscene, odious, rancid, repellent (also repellant), repugnant, repulsive, revolting, scandalous, shocking, sickening, uglyWords Related to noxious exceptionable, objectionable; brackish, disagreeable, dislikable (also dislikeable), unpleasant; contemptible, despicable, detestable, hard, hateful; unhealthy, unsavory, unwholesome; execrable, lousy, miserable; atrocious, frightful, ghastly, grim, grisly, gruesome (also grewsome), heinous, horrendous, horrific, horrifying, lurid, macabre, monstrous, nightmarish, shocking, sick, sickish, sickly, terrible, unspeakable, vile; off-putting, undesirable, unwanted, unwelcome; barbarous, unchristian, uncivilized, ungodly, unholy; distressing, disturbing, upsettingNear Antonyms of noxious acceptable, agreeable, alluring, appealing, attractive, blessed (also blest), congenial, darling, delectable, delicious, delightful, delightsome, desirable, dreamy, dulcet, enjoyable, felicitous, gratifying, heavenly, inviting, likable (or likeable), luscious, nice, palatable, pleasant, pleasing, pleasurable, satisfying, savory (also savoury), sweet, welcome; unexceptionable, unobjectionable; healthful, healthy, restorative, salubrious, salutary, wholesomeAntonyms of noxious innocuous, inoffensive

Synonym Discussion of noxious

pernicious, baneful, noxious, deleterious, detrimental mean exceedingly harmful. pernicious implies irreparable harm done through evil or insidious corrupting or undermining.
    • the claim that pornography has a pernicious effect on society
baneful implies injury through poisoning or destroying.
    • the baneful notion that discipline destroys creativity
noxious applies to what is both offensive and injurious to the health of a body or mind.
    • noxious chemical fumes
deleterious applies to what has an often unsuspected harmful effect.
    • a diet found to have deleterious effects
detrimental implies obvious harmfulness to something specified.
    • the detrimental effects of excessive drinking

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