May 14, 2026 · The meaning of POISONOUS is destructive, harmful. How to use poisonous in a sentence.

POISONOUS definition: 1. very harmful and able to cause illness or death: 2. A poisonous animal or insect uses poison in…. Learn more.

POISONOUS definition: full of or containing poison. See examples of poisonous used in a sentence.

1. a. Containing or being a poison: poisonous fumes. b. Capable of harming or killing by poison: poisonous tentacles. 2. a. Full of ill will; malicious or spiteful: a poisonous look.

An animal that is poisonous produces a poison that will kill you or make you ill if the animal bites you. There are hundreds of poisonous spiders and snakes.

Below is an extensive, if incomplete, list of plants containing one or more poisonous parts that pose a serious risk of illness, injury, or death to humans or domestic animals.

Mar 16, 2026 · But if you’re trying to be precise, remember the hierarchy: “toxic” means harmful to living things, “poisonous” means it harms you when you eat, touch, or inhale it, and “venomous” means it’s …

If you are or someone else is exposed to any possibly poisonous product or substance, use the web POISON CONTROL® tool to get specific first aid and treatment recommendations online. You can …

Jul 26, 2022 · Learn the difference between venom and poison. Get examples of venomous and poisonous organisms and their toxins.

Sep 8, 2024 · Some chemicals like water and salt are essential for life, while others like lead and mercury are toxic. Toxicity depends on factors like dose, size, and biochemistry, making some …