What are some alternative words for poisonous?

Synonyms for poisonous
ˈpɔɪ zə nəs

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

Princeton's WordNet

  1. poisonous, toxicant(adj)

    having the qualities or effects of a poison

    venomous, toxicant, vicious

    nontoxic, comestible, atoxic, eatable, unmalicious, edible

  2. poisonous(adj)

    not safe to eat

    venomous, toxicant, vicious

    atoxic, comestible, unmalicious, edible, nontoxic, eatable

  3. poisonous, venomous, vicious(adj)

    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


  1. poisonous(adjective)

    Containing sufficient poison to be dangerous

    venomous, attery, toxic

  2. poisonous(adjective)

    Inedible due to containing poison; poisonous to eat

    toxic, attery, venomous

  3. poisonous(adjective)

    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

Complete Dictionary of Synonyms and Antonyms

  1. poisonous

    venomous, infect ant, vicious, corruptive, vitiative, noxious, baneful, malignant, morbific, peccant, virulent, pestiferous, mephitic, deleterious

    wholesome, genial, beneficial, sanative, invigorative, healthful, innoxious, restorative, remedial, hygeian

PPDB, the paraphrase database

  1. List of paraphrases:

    toxic, venomous, poison, poisoned, noxious, sam

How to pronounce poisonous?

US English

How to say poisonous in sign language?

  1. poisonous

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Translations for poisonous

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"poisonous." Synonyms.com. STANDS4 LLC, 2019. Web. 24 Aug. 2019. <https://www.synonyms.com/synonym/poisonous>.

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