[ UK /pˈɔ‍ɪzənəs/ ]
[ US /ˈpɔɪzənəs/ ]
  1. marked by deep ill will; deliberately harmful
    poisonous hate
    vicious gossip
    venomous criticism
  2. not safe to eat
  3. having the qualities or effects of a poison
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How To Use poisonous In A Sentence

  • Cayenne pepper, which easily loses its red colour, was tinted with cinnabar, an extremely poisonous mercury compound.
  • The pond water was strangled with poisonous weed.
  • Society may be full of poisonous vapors and be built on a framework of lies; it is nevertheless prudent to consider whether the ideal advantages of disturbing it overweigh the practical disadvantages, and above all to bear in mind that if you rob the average man of his illusions, you are almost sure to rob him of his happiness. Henrik Ibsen
  • (Hamburg, 1893).] the poisonous character of the former would be lessened by the introduction of the carbonic acid esters and subsequent coupling of the substances (depside formation). Synthetic Tannins
  • (Anger's poisonous energy is intensified in cramped spaces). Judith Orloff MD: How to Cope with Personal Space Intruders (VIDEO)
  • The lid prevents the escape of poisonous gases.
  • So great is the danger of such injurious results, few careful practitioners have cared to adopt the heroic "antipyretic" medication recommended by experimenters, preferring to allow their patients to burn with fever, mitigated only by such simple means as are commonly employed by nurses, than to require them to combat the poisonous influences of a drug in addition to the morbid element of the disease. Scientific American Supplement, No. 455, September 20, 1884
  • Let us see if these statements are true, if laxation, urination or perspiration produced by poisonous drugs are identical in character and in effect with the elimination produced by natural living and natural methods of treatment through healing crises. Nature Cure
  • Sixty-six per cent. of _picrotoxin_ consists of another bitter substance, non-poisonous -- _picrotin_, which is insoluble in benzine and is reduced by Fehling's solution and nitrate of silver. The Medicinal Plants of the Philippines
  • It's a free for all at that stage,’ said Mr Campion pointing out that treated timber alone can contain poisonous arsenic.
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