Harmless and Harmful

Opposite meaning words

Harmless adjective - Not causing or being capable of causing injury or hurt.

Usage example: a perfectly harmless little spider

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Harmful is an antonym for harmless in topics: safe, innocent, not injurious or dangerous.

Nearby Words: harm, harmful, harmlessly

Harmful adjective - Causing or capable of causing harm.

Usage example: DDT has been proven to be extremely harmful to the environment

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Harmless is an antonym for harmful in topics: damaging, injurious.

Nearby Words: harm, harmed, harmless, harmfully, harmlessly

Cite this Source

Harmful and Harmless. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harmless/harmful

Harmless & Harmful. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harmless/harmful>.

Harmful or Harmless. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harmless/harmful.

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