Poison: meaning, definitions and examples

Use this word to describe any substance that can cause harm or death when introduced into a living organism. It is a general term and often used in a broad sense.

• The food was laced with poison
• Certain chemicals used in agriculture can act as poison to pests

Refers to a poisonous substance produced naturally by living organisms, such as bacteria, plants, or animals. It is often mentioned in medical or biological contexts.

• The bacteria produce a toxin that can lead to severe illness
• Snake bites can introduce deadly toxins into the bloodstream

Used specifically for toxic substances that are injected by animals through bites or stings. Commonly used when discussing snakes, spiders, and other venomous creatures.

• The snake's venom can be fatal if not treated quickly
• The scorpion's venom caused immense pain and swelling

This term is used in scientific or technical contexts to refer to a toxic substance, usually man-made, that causes poisoning. It is more formal and specific.

• The laboratory tested for various toxicants in the water
• Industrial waste often contains dangerous toxicants

Use 'poison' when referring to substances that can cause harm or death when absorbed by living organisms. It is often used in the context of deliberate harmful acts or naturally toxic substances.

• She accidentally swallowed poison
• Some mushrooms are poisonous

Choose 'taint' when referring to something that is spoiled or damaged, often in a subtle way. It can be used to describe both physical contamination and reputational harm.

• The scandal tainted his reputation
• The food was tainted with an unpleasant smell

The term 'contaminate' is appropriate when something harmful or undesirable is introduced into a substance, environment, or space, affecting its purity or safety. It can apply to a wide range of scenarios, from food to the environment.

• The water supply was contaminated with bacteria
• Chemicals spilled on the ground can contaminate the soil

Use 'pollute' when referring to the introduction of harmful substances or products into the environment. It implies a negative impact on natural resources like air, water, or land.

• Factories that pollute the air with smoke
• Plastic waste polluting the oceans is a growing concern