What is the Opposite(Antonym) of “harmless”?

The Opposite(Antonym) of “harmless”

The antonyms of harmless are dangerous, hazardous, and toxic. These words describe things that can cause harm or danger to people, animals, or the environment.

Explore all Antonyms of “harmless”

Definitions and Examples of dangerous, hazardous, toxic

Learn when and how to use these words with these examples!

Likely to cause harm, injury, or damage.

Example

Swimming in the ocean during a storm is dangerous and should be avoided.

Involving risk or danger, especially to health or safety.

Example

Working with chemicals without proper protective gear is hazardous and can cause serious health problems.

Containing poisonous substances that can cause harm or death.

Example

Ingesting toxic chemicals can lead to severe illness or even death.

Key Differences: dangerous vs hazardous vs toxic

  • 1Dangerous refers to something that is likely to cause harm or injury.
  • 2Hazardous refers to something that involves risk or danger, especially to health or safety.
  • 3Toxic refers to something that contains poisonous substances that can cause harm or death.

Effective Usage of dangerous, hazardous, toxic

  • 1Safety Precautions: Use these antonyms to warn people about potential dangers and hazards.
  • 2Environmental Protection: Use these antonyms to describe substances that can harm the environment.
  • 3Product Warnings: Use these antonyms to label products that can cause harm or injury.
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Remember this!

The antonyms of harmless are dangerous, hazardous, and toxic. These words describe things that can cause harm or danger to people, animals, or the environment. Use these antonyms to warn people about potential dangers and hazards, describe substances that can harm the environment, and label products that can cause harm or injury.

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