Inefficacious
Inefficacious adjective - Lacking the power to produce a desired effect.
Usage example: laws that are inefficacious in stopping crime
Uneffective and inefficacious are semantically related. In some cases you can use "Uneffective" instead an adjective "Inefficacious".
Uneffective
Uneffective adjective - Not producing an intended effect.
Inefficacious and uneffective are semantically related. You can use "Inefficacious" instead an adjective "Uneffective".
Mutual synonyms
Related pairs
- inept and inefficacious
- inept and uneffective
- incompetent and inefficacious
- incompetent and uneffective
- inefficient and inefficacious
- inefficient and uneffective
- feeble and inefficacious
- feeble and uneffective
- idle and inefficacious
- idle and uneffective
- ineffective and inefficacious
- ineffective and uneffective
- useless and inefficacious
- useless and uneffective
Cite this Source
Uneffective and Inefficacious. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/inefficacious/uneffective
Inefficacious & Uneffective. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/inefficacious/uneffective>.
Uneffective or Inefficacious. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/inefficacious/uneffective.
Google Ngram Viewer shows how "inefficacious" and "uneffective" have occurred on timeline