Harmless and Murderous

Opposite meaning words

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

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Murderous is an antonym for harmless.

Nearby Words: harm, harmful, harmlessly

Murderous adjective - Difficult to endure.

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Harmless is an antonym for murderous in difficult topic.

And he might be a harmless prankster one minute, and then decide to be a back-stabbing, murderous psychopath the next.

Source: Wild Card
Prankster, Toyman and Bizarro go from harmless nuisances to murderous monsters.

Source: Not-So-Harmless Villain
The Family Guy episode, "Lois Comes Out of Her Shell," features a seemingly nice, harmless turtle who turns out to be murderous named Sheldon.

Source: Reptiles Are Abhorrent

Cite this Source

Murderous and Harmless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/harmless/murderous

Harmless & Murderous. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/harmless/murderous>.

Murderous or Harmless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/harmless/murderous.

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