Efficient and Unprofitable

Opposite meaning words

Efficient adjective - Producing or capable of producing a desired result.

Usage example: that manual lawn mower is not a very efficient tool for doing a huge yard

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Unprofitable is an antonym for efficient.

Nearby Words: efficiency, efficiently, efficacy

Unprofitable adjective - Producing no results.

Usage example: an unprofitable effort to find the information

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Efficient is an antonym for unprofitable.

Cite this Source

Unprofitable and Efficient. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/efficient/unprofitable

Efficient & Unprofitable. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/efficient/unprofitable>.

Unprofitable or Efficient. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/efficient/unprofitable.

Google Ngram Viewer shows how "efficient" and "unprofitable" have occurred on timeline