Uneffective and Useful

Opposite meaning words

Uneffective adjective - Not producing an intended effect.

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Useful is an antonym for uneffective.

Useful adjective - Being of use or service.

Usage example: a useful job

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Uneffective is an antonym for useful.

Nearby Words: use, useless, used, usefulness, usefully

Cite this Source

Useful and Uneffective. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/uneffective/useful

Uneffective & Useful. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/uneffective/useful>.

Useful or Uneffective. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/uneffective/useful.

Google Ngram Viewer shows how "uneffective" and "useful" have occurred on timeline