Efficient and Strengthless
Opposite meaning words
Efficient
Efficient adjective - Producing or capable of producing a desired result.
Strengthless is an antonym for efficient.
Strengthless
Cite this Source
Strengthless and Efficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/efficient/strengthless
Efficient & Strengthless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/efficient/strengthless>.
Strengthless or Efficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/efficient/strengthless.
Google Ngram Viewer shows how "efficient" and "strengthless" have occurred on timeline