Link Centre Dictionary

efficaciousness

ef·fi·ca·ciousness

uncommon

noun

1.

capacity or power to produce a desired effect

  • “concern about the safety and efficacy of the vaccine”
Synonyms
Antonyms

Origin

From efficacious + -ness.

Related words

Broader terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.