What is another word for poisonous?

Synonyms for poisonous
ˈpɔɪ zə nəspoi·sonous

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term poisonous.


  1. poisonousadjective

    venomous, attery, toxic

  2. poisonousadjective

    Containing sufficient poison to be dangerous

    toxic, attery, venomous

  3. poisonousadjective

    Inedible due to containing poison; poisonous to eat

    attery, venomous, toxic

English Synonyms and Antonyms

  1. poisonous

    Pernicious (Latin per, through, and neco, kill) signifies having the power of destroying or injuring, tending to hurt or kill. Pernicious is stronger than injurious; that which is injurious is capable of doing harm; that which is pernicious is likely to be destructive. Noxious (Latin noceo, hurt) is a stronger word than noisome, as referring to that which is injurious or destructive. Noisome now always denotes that which is extremely disagreeable or disgusting, especially to the sense of smell; as, the noisome stench proclaimed the presence of noxious gases.

    bad, baneful, deadly, deleterious, destructive, detrimental, evil, foul, harmful, hurtful, injurious, insalubrious, mischievous, noisome, noxious, pernicious, perverting, pestiferous, pestilential, ruinous, unhealthful, unwholesome

    advantageous, beneficent, beneficial, favorable, good, healthful, helpful, invigorating, life-giving, profitable, rejuvenating, salutary, serviceable, useful, wholesome

Princeton's WordNet

  1. poisonous, toxicantadjective

    having the qualities or effects of a poison

    venomous, toxicant, vicious

    nontoxic, comestible, atoxic, eatable, unmalicious, edible

  2. poisonousadjective

    not safe to eat

    venomous, toxicant, vicious

    atoxic, comestible, unmalicious, edible, nontoxic, eatable

  3. poisonous, venomous, viciousadjective

    marked by deep ill will; deliberately harmful

    "poisonous hate"; "venomous criticism"; "vicious gossip"

    virulent, toxicant, deplorable, savage, barbarous, reprehensible, fell, venomous, criminal, condemnable, roughshod, cruel, evil, vicious, deadly, brutal

    eatable, unmalicious, atoxic, comestible, nontoxic, edible

Synonyms, Antonyms & Associated Words

  1. poisonousadjective

    toxic, toxical, venomous, noxious, baneful, virulent, malignant

    nonpoisonous, antidotal

PPDB, the paraphrase database

  1. List of paraphrases for "poisonous":

    toxic, venomous, poison, poisoned, noxious, sam

How to pronounce poisonous?

How to say poisonous in sign language?

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How to use poisonous in a sentence?

  1. Lindsay Tarasco:

    I smelled something, so I took a deep breath in. Bad mistake, i realized there was definitely something poisonous in the air.

  2. Frederick Saunders:

    Pride, like laudanun and other poisonous medicines, is beneficial in small, though injurious in large quantities. No man who is not pleased with himself, even in a personal sense, can please others.

  3. British Prime Minister David Cameron:

    For all our successes as a multiracial, multifaith democracy, we have to confront a tragic truth that there are people born and raised in this country who don't really identify with Britain -- and feel little or no attachment to other people here, so when groups like ISIL seek to rally our young people to their poisonous cause, it can offer them a sense of belonging that they lack here at home.

  4. David Cameron:

    All of us have been horrified by the way that British teenagers appear to have been radicalised and duped by this poisonous ideology of Islamist extremism while at home on the internet in their bedrooms, given reports that one of the girls was following as many as 70 extremists online, this case underlines the importance of the work we are doing with social media companies.

  5. United States:

    When you listen to the kind of poisonous rhetoric that's coming from the other side it's a race to the bottom on who can say the nastiest, ugliest things about immigrants with ignoring the reality that they came from somewhere, too, you know ? Marco Rubio's family fled a dangerous regime that wanted to get nuclear weapons, that were sworn enemies of the United States, where's Marco Rubio come from ? Cuba. But Marco Rubio and the Republicans turn Marco Rubio and the Republicans backs on any Syrians coming into this country. How is it any different ?

Translations for poisonous

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"poisonous." Synonyms.com. STANDS4 LLC, 2022. Web. 3 Dec. 2022. <https://www.synonyms.com/synonym/poisonous>.

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