Efficacy

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. Power or capacity to produce a desired effect; effectiveness.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Ability to produce a desired amount of a desired effect.
    • the GNU version of the Collaborative International Dictionary of English
  • n. Power to produce effects; operation or energy of an agent or force; production of the effect intended
    • The Century Dictionary and Cyclopedia
  • n. The quality of being efficacious or effectual; production of, or the capacity of producing, the effect intended or desired; effectiveness.
  • n. Synonyms Efficiency, etc. (see effectiveness); virtue, force, energy.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. capacity or power to produce a desired effect
    • Hypernym
    Words that are more generic or abstract
    effectualness    effectiveness    effectivity    effectuality   
    Synonym
    Words with the same meaning
    potency    efficiency    force    energy    virtue   
    Same Context
    Words that are found in similar contexts
    effectiveness    validity    potency    usefulness    importance   
     
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