Effectiveness and Sickliness

Opposite meaning words

Effectiveness noun - The capacity to persuade.

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Sickliness is an antonym for effectiveness.

Nearby Words: effective, effectively, effector

Definitions of Effectiveness not found.

Effectiveness is an antonym for sickliness in ineffectiveness topic.

Cite this Source

Sickliness and Effectiveness. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/effectiveness/sickliness

Effectiveness & Sickliness. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/effectiveness/sickliness>.

Sickliness or Effectiveness. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/effectiveness/sickliness.

Google Ngram Viewer shows how "effectiveness" and "sickliness" have occurred on timeline