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Thesaurus: efficacious

Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.

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Definitions

  1. n. Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law.
  2. adj. marked by qualities giving the power to produce an intended effect
  3. adj. producing or capable of producing an intended result or having a striking effect
  4. Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law. Syn. -- See Effectual. -- Ef`fi*ca"cious*ly, adv. -- Ef`fi*ca"cious*ness, n.
  5. Possessing the quality of being effective; productive of, orpowerful to produce, the effect intended; as, an efficacious law.
  6. j:100 a. marked by qualities giving the power to produce an intended effect