Ineffective and Robustious

Opposite meaning words

Ineffective adjective - Not producing the desired result.

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Robustious is an antonym for ineffective.

Robustious adjective - Being rough or noisy in a high-spirited way.

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Ineffective is an antonym for robustious in healthy topic.

Cite this Source

Robustious and Ineffective. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/ineffective/robustious

Ineffective & Robustious. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/ineffective/robustious>.

Robustious or Ineffective. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/ineffective/robustious.

Google Ngram Viewer shows how "ineffective" and "robustious" have occurred on timeline