Harmless and Nocuous

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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Nocuous is an antonym for harmless.

Nearby Words: harm, harmful, harmlessly

Nocuous adjective - Causing or capable of causing harm.

Usage example: hand washing is one of the easiest ways to help prevent the spread of nocuous germs

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Harmless is an antonym for nocuous.

Cite this Source

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

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

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

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