Harmlessly and Perniciously

Opposite meaning words

Harmlessly adverb - In a harmless manner.

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Perniciously is an antonym for harmlessly.

Nearby Words: harmful, harmless

Perniciously adverb - In a harmfully insidious manner.

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Harmlessly is an antonym for perniciously.

Nearby Word: pernicious

Cite this Source

Perniciously and Harmlessly. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/harmlessly/perniciously

Harmlessly & Perniciously. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/harmlessly/perniciously>.

Perniciously or Harmlessly. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/harmlessly/perniciously.

Google Ngram Viewer shows how "harmlessly" and "perniciously" have occurred on timeline