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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

   • O

     1

   • I

     1

   • S

     1

   • O

     1

   • N

     1

   • O

     1

   • U

     1

   • S

     1

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

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

   www.collinsdictionary.com › dictionary › english

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   1. adjective. Something that is poisonous will kill you or make you ill if you swallow or absorb it. All parts of the yew tree are poisonous, including the berries. ...a large cloud of poisonous gas. Synonyms: toxic, fatal, deadly, lethal More Synonyms of poisonous. 2. adjective.

5. 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.

6. 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.

7. www.oxfordlearnersdictionaries.com › english › poisonouspoisonous adjective - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › english › poisonous

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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.

8. 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.