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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

   • P

     3

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   • I

     1

   • S

     1

   • O

     1

   • N

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   • O

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   More definitions, origin and scrabble points

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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   The meaning of POISONOUS is destructive, harmful. How to use poisonous in a sentence.

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

   www.dictionary.com › browse › poisonous

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   adjective full of or containing poison: poisonous air; a poisonous substance. harmful; destructive: poisonous to animals; poisonous rumors. deeply malicious; malevolent: poisonous efforts. Discover More

5. 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.

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.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.

8. www.oxfordlearnersdictionaries.com › definition › englishpoisonous adjective - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › definition › english

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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.

9. 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...

10. 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 American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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.