Harmless and Sinister

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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Sinister is an antonym for harmless.

Nearby Words: harm, harmful, harmlessly

Sinister adjective - Being or showing a sign of evil or calamity to come.

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Harmless is an antonym for sinister.

Mild-to-moderate debauchery ensues and it's unclear if Eden, David, and co are harmless or if they have more sinister plans in mind.

Source: Film / The Invitation

Cite this Source

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

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

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

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