inefficacy definition

  • noun:
    • The state or quality of becoming incompetent at producing a desired effect or outcome.
    • The condition of becoming ineffective
    • Lack of power to create the required or proper impact; inefficiency; ineffectualness; futility; uselessness; fruitlessness.
    • Lack of effectiveness or capacity to produce the required effect; ineffectualness; failure of result.
    • deficiencies in effectiveness

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