poysonous

Adjective

poisonous (comparative more poisonous, superlative most poisonous)

1. Containing sufficient poison to be dangerous to touch or ingest.
   • While highly poisonous to dogs, this substance is completely harmless if ingested by humans.

   Synonyms:

   poisoned, toxic, venomous, attery

   Antonyms:

   nonpoisonous, unpoisonous

2. (proscribed, sometimes) 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.
3. (figuratively) Negative, harmful.
   • He didn't want to end up like his grandfather, bitter and intractable, consumed in his hatred like an addict on haze — a poisonous attitude that would possess him all his remaining years.2013, Kylie Griffin, Allegiance Sworn, Penguin, →ISBN

   Synonyms:

   toxic