Noxious synonyms

nŏk'shəs

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Part of speech:

toxic
Of, affected by, or caused by a toxin, or poison
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pernicious
Causing death or injury; deadly.
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deleterious
Harmful often in a subtle or unexpected way (as for example deleterious effects, deleterious to health).
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noisome
Harmful or dangerous:
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virulent
(Chiefly medicine, of a disease or disease-causing agent) Highly infectious, malignant, or deadly.
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venomous
Secreting and transmitting venom:
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harmful (related)
Causing or capable of causing harm; injurious.
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rotten (related)
Made weak or unsound by rot:
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baneful
Exceedingly harmful; causing harm, death, ruin.
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foul
Irritable or upset:
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offensive (related)
Of, relating to, or designed for attack:
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deadly (related)
Extreme or terrible:
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poisonous (related)
Containing or being a poison:
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dangerous
Causing danger; ready to do harm or injury.
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destructive
Designed or tending to disprove or discredit:
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evil
Characterized by or indicating future misfortune; ominous:
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fetid
Having an offensive odor.
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hurtful
Causing pain or suffering, especially of a psychological nature.
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injurious
Causing harm to one's reputation; slanderous, libelous, invidious.
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lethal
Causing or capable of causing death; fatal or deadly
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nocent
Guilty or criminal
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nocuous
Likely to cause harm or damage
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revolting
Engaged in revolt; rebellious
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stinking
Offensive, disgusting, etc.
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unhealthy
Of a risky nature; dangerous:
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unwholesome
Not wholesome
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helpful (antonym)
Giving help; of service; useful
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good (antonym)
(Especially when capitalized) Holy.
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wholesome (antonym)
Tending to improve the mind or character
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healthy (antonym)
Conducive to health.
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curing (antonym)
deadly, injurious
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hygienic (antonym)
Tending to promote or preserve health.
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sterile (antonym)
Not able to produce offspring, seeds, or fruit; unable to reproduce.
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pure (antonym)
(Philosophy) Free of empirical elements:
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innocuous (antonym)
Not controversial, offensive, or stimulating; dull and uninspiring
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pleasant (antonym)
Giving pleasure; pleasing in manner.
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malignant
Virulent or threatening to life:
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pestilent
(Archaic) harmful to morals or public order.
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pestilential
Pernicious; dangerous; harmful
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help (related)
Extremely destructive or harmful
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fume (related)
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putrefaction (related)
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corrosive (related)
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inflammable (related)
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Find another word for noxious. In this page you can discover 45 synonyms, antonyms, idiomatic expressions, and related words for noxious, like: toxic, pernicious, deleterious, noisome, virulent, venomous, harmful, rotten, baneful, foul and putrid.
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Noxious Sentence Examples

  • This change, which is called eosinophilia, indicates the production of a noxious substance in the blood.

  • Muller to include cases of mutual resemblance between two or more noxious species inhabiting the same area.

  • Sulphuretted hydrogen is a noxious impurity, and its complete removal from the gas is usually imposed by parliament.

  • They knew poisonous plants, and could eliminate noxious properties.

  • Poisonous or noxious animals usually have some special advertising attribute, sometimes the display of conspicuous coloration, as in the skunk; sometimes the emission of sound as in the rattlesnake; sometimes a combination of the two, as in the common porcupine and the large black scorpions of Africa and India.

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Words that mention noxious in the Dictionary

Words near noxious in the Thesaurus