poisonous

[ˈpɔɪzənəs]

poisonous Definition

• 1. containing poison; toxic
• 2. causing or capable of causing death or illness if taken into the body

Using poisonous: Examples

Take a moment to familiarize yourself with how "poisonous" can be used in various situations through the following examples!

• Example

  The berries on that plant are poisonous.

• Example

  The snake's venom is poisonous to humans.

• Example

  She was hospitalized after accidentally ingesting a poisonous substance.

• Example

  The fumes from the factory were poisonous to breathe.

poisonous Synonyms and Antonyms

Synonyms for poisonous

• toxic
• venomous
• lethal
• deadly
• noxious

Antonyms for poisonous

• harmless
• non-poisonous

Phrases with poisonous

• poisonous gas

  a gas that is harmful or deadly when inhaled

  Example

  The soldiers had to wear gas masks to protect themselves from the poisonous gas.

• poisonous spider

  a spider whose bite is venomous and can cause illness or death

  Example

  The black widow is a poisonous spider found in many parts of the world.

• poisonous plant

  a plant that contains toxins that can cause illness or death if ingested

  Example

  The leaves of the oleander plant are poisonous if eaten.

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Summary: poisonous in Brief

The term 'poisonous' [ˈpɔɪzənəs] refers to something containing poison or capable of causing death or illness if taken into the body. It can describe substances like poisonous gas or plants, as well as animals like poisonous spiders. 'Poisonous' is often used formally, as in 'The fumes from the factory were poisonous to breathe.'