Meanings
nounefficaciousness (uncountable)
- uncountableQuality of being efficacious; efficacy.
In ancient mythology, the efficaciousness of the satyrion is attested, particularly in the case of Hercules.
1961, Harry E. Wedeck, Dictionary of Aphrodisiacs, New York: The Citadel Press, page 216
Synonyms & antonyms
nouncapacity or power to produce a desired effect
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Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Cite this entry
APA
efficaciousness. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/efficaciousness
MLA
“efficaciousness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/efficaciousness. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “efficaciousness,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/efficaciousness.
Source: efficaciousness on Wiktionary, CC BY-SA 4.0.