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poisonous

  • adjective
  • /ˈpɔɪzənəs/

Containing sufficient poison to be dangerous to touch or ingest.

Other meanings

  1. 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.

  2. Negative, harmful.

Related words

  • autopoisonous
  • nonpoisonous
  • poisonously
  • poisonousness
  • unpoisonous
  • fruit of the poisonous tree
  • poisonous compliment

Example sentences

  • “Are centipedes poisonous to cats?”

    Tatoeba · shekitten · CC0

Word history

From Middle English "poisounous".

Where this comes from

This definition is adapted from “poisonous” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.