Harmless and Hazardous

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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Hazardous is an antonym for harmless in innocent topic.

Nearby Words: harm, harmful, harmlessly

Hazardous adjective - Involving potential loss or injury.

Usage example: a hazardous journey across the arctic ice

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Harmless is an antonym for hazardous.

Nearby Words: hazard, hazarded, hazardously

Cite this Source

Hazardous and Harmless. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/harmless/hazardous

Harmless & Hazardous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/harmless/hazardous>.

Hazardous or Harmless. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/harmless/hazardous.

Google Ngram Viewer shows how "harmless" and "hazardous" have occurred on timeline