Efficient and Unpleasing
Opposite meaning words
Efficient
Efficient adjective - Producing or capable of producing a desired result.
Unpleasing is an antonym for efficient.
Unpleasing
Unpleasing adjective - Not giving pleasure to the mind or senses.
Cite this Source
Unpleasing and Efficient. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/efficient/unpleasing
Efficient & Unpleasing. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/efficient/unpleasing>.
Unpleasing or Efficient. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/efficient/unpleasing.
Google Ngram Viewer shows how "efficient" and "unpleasing" have occurred on timeline