Deadly and Unproductive

Opposite meaning words

Deadly adjective - Likely to cause or capable of causing death.

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Unproductive is an antonym for deadly.

Nearby Word: dead

Unproductive adjective - Producing no results.

Usage example: her attempts to write a novel have been unproductive

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Deadly is an antonym for unproductive.

Cite this Source

Unproductive and Deadly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deadly/unproductive

Deadly & Unproductive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deadly/unproductive>.

Unproductive or Deadly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deadly/unproductive.

Google Ngram Viewer shows how "deadly" and "unproductive" have occurred on timeline