poisonous

adj
/ˈpɔɪzənəs/

Etymology

From Middle English poisounous, poysonouse. By surface analysis, poison + -ous.

  1. inherited from poisounous

Definitions

  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.
    • Nor taint-worm ſhall infect the yeaning herds / Nor penny-graſs, nor ſpearwort's poiſ'nous leaf.
    • I had picked a mushroom so poisonous that particles of it, stuck to my fingers and accidentally swallowed, could have made me deathly ill, and a piece the size of my thumb could have killed me.
  2. Of an animal such as a snake or spider, or parts of its body

    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.
    • SERPENT … either that which is not poiſonous: or that which is counted poiſonous, having two long, hollow, moveable teeth, …
    • The Cencoatl (o), which is alſo a poiſonous ſnake, is about five feet long, and eight inches round at the thickeſt part.
  3. 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.

The neighborhood

Vish — recursive loop

A definitional loop anchored at poisonous. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01poisonous02sting03venom04toxin05toxicant

A definitional loop anchored at poisonous. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

5 hops · closes at poisonous

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA