Poisonous

/ˈpɔɪzənəs/ · adjective

Meaning

Containing sufficient poison to be dangerous to touch or ingest..

Definitions by Sense

1. Containing sufficient poison to be dangerous to touch or ingest.
2. (sometimes proscribed) 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.
3. (figuratively) Negative, harmful.

Example Sentences

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.

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.

Evidently the first thing to ascertain is whether the case is really that of a bite by a poisonous snake…

The characteristics which separate the dangerously venomous groups from their non-poisonous relatives are emphasized.

Synonyms for poisonous

Antonyms for poisonous

Related Words

Word Forms

• more poisonous
• most poisonous

Usage Notes

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