Effective
Effective adjective - Producing or capable of producing a desired result.
Never failing and effective are semantically related. In some cases you can use "Never failing" instead an adjective "Effective".
Never failing
Effective and never failing are semantically related. You can use "Effective" instead an adjective phrase "Never failing".
Mutual synonyms
Cite this Source
Never failing and Effective. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/effective/never_failing
Effective & Never failing. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/effective/never_failing>.
Never failing or Effective. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/effective/never_failing.
Google Ngram Viewer shows how "effective" and "never failing" have occurred on timeline