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Thesaurus / in efficacy
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synonyms for in efficacy

  • failure
  • impotence
  • incompetence
  • inefficiency
  • ineptitude
  • lack
  • shortcoming
  • weakness
  • disqualification
  • frailty
  • inadequacy
  • inaptitude
  • incapability
  • incapacity
  • ineffectiveness
  • ineffectualness
  • inefficacy
  • ineptness
  • insufficiency
  • inutility
  • necessity
  • powerlessness
  • unfitness
  • incapacitation

antonyms for in efficacy

MOST RELEVANT
  • strong point
  • success
  • ability
  • sufficiency
  • capacity
  • competence
  • skill
  • talent
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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