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1. Dictionary

   poisonous

   /ˈpɔɪzənəs/

   adjective

   • 1. (of a substance or plant) causing or capable of causing death or illness if taken into the body: "poisonous chemicals" Similar toxicdeadlyfatallethalmortaldeath-dealingvirulentnoxiousenvironmentally unfriendlyOpposite harmlessnon-toxic
   • ▪ (of an animal) producing poison as a means of attacking enemies or prey; venomous: "a poisonous snake" Similar venomousdeadlyOpposite harmless
   • ▪ extremely unpleasant or malicious: "there was a poisonous atmosphere at the office" Similar maliciousmalevolenthostileviciousspitefulbittervenomousevil-intentionedill-naturedvindictivevengefulvitriolicrancorousmalignmalignantperniciousmeannastyharmfulhurtfulwoundingslanderouslibellousdefamatoryinformal:bitchycattyliterary:maleficmaleficentOpposite benevolent

   Derivatives

   • 1. poisonously adverb

   Scrabble Points: 11

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2. dictionary.cambridge.org › dictionary › englishPOISONOUS | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   POISONOUS definition: 1. very harmful and able to cause illness or death: 2. A poisonous animal or insect uses poison in…. Learn more.

3. www.merriam-webster.com › dictionary › poisonousPoisonous Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › poisonous

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   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.

4. dictionary.cambridge.org › us › dictionaryPOISONOUS | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   POISONOUS meaning: 1. very harmful and able to cause illness or death: 2. A poisonous animal or insect uses poison in…. Learn more.

5. www.collinsdictionary.com › dictionary › englishPOISONOUS definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   If you describe something as poisonous, you mean that it is extremely unpleasant and likely to spoil or destroy a good relationship or situation. ...poisonous comments. ...lying awake half the night tormented by poisonous suspicions. ...poisonous attacks on the state-run church. More Synonyms of poisonous.

6. www.vocabulary.com › dictionary › poisonousPoisonous - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › poisonous

   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.

7. www.dictionary.com › browse › poisonousPOISONOUS Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › poisonous

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   Poisonous definition: full of or containing poison. See examples of POISONOUS used in a sentence.

8. en.m.wiktionary.org › wiki › poisonouspoisonous - Wiktionary, the free dictionary

   en.m.wiktionary.org › wiki › poisonous

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   Jun 2, 2024 · Of an animal such as a snake or spider, or parts of its body: producing a toxin intended for defensive or offensive use which is usually injected into an enemy or prey by biting or stinging; hence, of a bite or sting: injecting poison. Poisonous snakes should only be handled by experienced professionals. ( figuratively) Negative, harmful .

9. www.oxfordlearnersdictionaries.com › us › definitionpoisonous adjective - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › us › definition

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   Definition of poisonous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

10. www.thefreedictionary.com › poisonousPoisonous - definition of poisonous by The Free Dictionary

    www.thefreedictionary.com › poisonous

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    Define poisonous. poisonous synonyms, poisonous pronunciation, poisonous translation, English dictionary definition of poisonous. adj. 1. a. Containing or being a poison: poisonous fumes. b. Capable of harming or killing by poison: poisonous tentacles. 2. a. Full of ill will; malicious...

11. dictionary.cambridge.org › dictionary › learner-englishPOISONOUS | meaning - Cambridge Learner's Dictionary

    dictionary.cambridge.org › dictionary › learner-english

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    POISONOUS definition: 1. containing poison: 2. A poisonous animal uses poison in order to defend itself: . Learn more.