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    poisonous
    /ˈpɔɪzənəs/

    adjective

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  3. Poisonous means very harmful and able to cause illness or death, or a poisonous animal or insect that uses poison to defend itself. Learn more about the word, its synonyms, and how to use it in sentences with examples from the Cambridge English Corpus.

  4. poisonous. adjective. poi· son· ous ˈpȯiz-nəs. ˈpȯi-zᵊn-əs. Synonyms of poisonous. 1. : destructive, harmful. 2. a. : having the properties or effects of poison. poisonous gas. b. : producing a toxic substance that causes injury or death when absorbed or ingested. poisonous mushrooms. also : venomous. a poisonous spider. 3. : spiteful, malicious.

  5. Poisonous means very harmful and able to cause illness or death, or a poisonous animal or insect that uses poison to defend itself. Learn more about the word, its synonyms, and how to use it in sentences with examples from various sources.

  6. Learn the meaning of poisonous as an adjective to describe something or someone that can harm or kill by or as by poison. See synonyms, pronunciation, collocations and sentences with poisonous.

  7. Poisonous means full of or containing poison, harmful, or malicious. Learn how to use this adjective correctly and compare it with venomous, and see sentences from various sources.

  8. If something is poisonous, you'd better not eat, drink, inhale, or touch it: it will make you sick. Some poisonous materials can even kill you. Of course, this adjective is derived from the noun poison, which is a toxic substance. You can also calls things poisonous if they're harmful in less physical ways.

  9. Poisonous means containing or being a poison, or capable of harming or killing by poison. Learn the synonyms, antonyms, translations and usage of poisonous in different contexts.