What Does Poisonous Mean?

In biology, poisons are substances that can cause death, injury or harm to organs, tissues, cells, and DNA usually by chemical reactions or other activity on the molecular scales, when an organism is exposed to a sufficient quantity. In a metaphorical broader use of term it may refer to any thing deemed harmful.

What does it mean if something is poisonous?

1 : destructive, harmful. 2a : having the properties or effects of poison poisonous gas. b : producing a toxic substance that causes injury or death when absorbed or ingested poisonous mushrooms also : venomous a poisonous spider.

What is the word for poisonous?

In this page you can discover 56 synonyms, antonyms, idiomatic expressions, and related words for poisonous, like: toxic, deadly, venomous, toxiferous, noxious, dangerous, lethal, infective, virulent, vicious and morbific.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.