Usually means: Effectiveness in producing a desired result.
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We found 13 dictionaries that define the word efficaciousness:

General (12 matching dictionaries)
  1. efficaciousness: Merriam-Webster
  2. efficaciousness: Oxford Learner's Dictionaries
  3. efficaciousness: Collins English Dictionary
  4. efficaciousness: Vocabulary.com
  5. efficaciousness: Wordnik
  6. efficaciousness: Wiktionary
  7. efficaciousness: Dictionary.com
  8. efficaciousness: Rhymezone
  9. efficaciousness: Webster's 1828 Dictionary
  10. efficaciousness: FreeDictionary.org
  11. efficaciousness: Mnemonic Dictionary
  12. efficaciousness: TheFreeDictionary.com

Business (1 matching dictionary)
  1. efficaciousness: Legal dictionary

(Note: See efficacious as well.)

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Definitions from Wiktionary (efficaciousness)

▸ noun:  Quality of being efficacious.

Similar:
efficacy, effectuousness, efficacity, effectualness, efficientness, effectiveness, efficiency, ineffectivity, inefficacy, potentness, more...

Types:
effectiveness, productivity, potency, usefulness, more...

▸ Words similar to efficaciousness

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▸ Idioms related to efficaciousness

▸ Wikipedia articles (New!)

▸ Popular adjectives describing efficaciousness

▸ Words that often appear near efficaciousness

▸ Rhymes of efficaciousness

▸ Invented words related to efficaciousness

Similar:
efficacy, effectuousness, efficacity, effectualness, efficientness, effectiveness, efficiency, ineffectivity, inefficacy, potentness, more...

Types:
effectiveness, productivity, potency, usefulness, more...



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