efficaciousness

Từ điển WordNet v3.1 - WordNet Dictionary

noun

capacity or power to produce a desired effect
- concern about the safety and efficacy of the vaccine
• Syn:
efficacy
• Ant:
inefficacy (for: efficacy)
• Derivationally related forms:
efficacious, efficacious (for: efficacy)
• Hypernyms:
effectiveness, effectivity, effectualness, effectuality
• Attrubites:
efficacious, inefficacious

• Từ trái nghĩa / Antonyms:
  inefficacy, inefficaciousness