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Noxious synonyms

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Portending harm; ominous.
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  1. Portending harm; ominous.
  2. Causing harm, ruin, or death; harmful.
(Rare) Wicked; evil
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  1. (Rare) Wicked; evil
  2. Causing great injury, destruction, or ruin; fatal; deadly
  3. Tending to cause death or serious injury; deadly:
Harmful to health or well-being; injurious
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  1. Harmful to health or well-being; injurious
  2. Harmful often in a subtle or unexpected way (as for example deleterious effects, deleterious to health).
  3. Having a harmful effect; injurious:
Having a bad odor; foul-smelling
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  1. Having a bad odor; foul-smelling
  2. Offensive to the point of arousing disgust; foul:
  3. Harmful or dangerous:
Irritable or upset:
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  1. Irritable or upset:
  2. Morally detestable; wicked:
  3. Entangled or enwrapped:
Causing, showing, or proceeding from decay
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  1. Causing, showing, or proceeding from decay
  2. (Informal) Very disagreeable or unpleasant
  3. Proceeding from, relating to, or exhibiting putrefaction:
Causing social tension or unpleasantness:
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  1. Causing social tension or unpleasantness:
  2. Capable of causing injury or death, especially by chemical means; poisonous:
  3. Relating to or caused by a toxin or other poison:
Able to overcome the natural defenses of the host; highly infectious
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  1. Able to overcome the natural defenses of the host; highly infectious
  2. Extremely poisonous or injurious; deadly
  3. Characterized by, causing, or promoting the rapid onset of severe illness. Used of a disease or toxin.
Malicious; spiteful:
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  1. Malicious; spiteful:
  2. Secreting and transmitting venom:
  3. Harmful or destructive:
Portending harm; ominous.
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  1. Portending harm; ominous.
  2. Causing distress, death, or ruin; deadly
Extremely accurate; unerring:
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  1. Extremely accurate; unerring:
  2. Absolute; utter:
  3. Aiming or wanting to kill; implacable:
Not benign; specif., cancerous
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  1. Not benign; specif., cancerous
  2. (Medicine) Tending to metastasize:
  3. Harmful, malevolent, injurious.
(Rare) Wicked; evil
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  1. (Rare) Wicked; evil
  2. Causing great injury, destruction, or ruin; fatal; deadly
  3. Tending to cause death or serious injury; deadly:
Likely to cause death; deadly
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  1. Likely to cause death; deadly
  2. (Rare) Contagious; pestilential
  3. Causing or likely to cause epidemic disease:
  1. Producing pestilence or plague; pestilent
  2. Of, causing, or likely to cause pestilence or infection
  3. Pernicious; dangerous; harmful
Extremely hostile or malicious:
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  1. Extremely hostile or malicious:
  2. Characterized by, causing, or promoting the rapid onset of severe illness. Used of a disease or toxin.
  3. Extremely poisonous or injurious; deadly
Find another word for noxious. In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for noxious, like: baneful, pernicious, deleterious, noisome, foul, putrid, toxic, virulent, venomous, harmful and pernicious.