adjective🔗ShareIneficaz, inútilIncapable of having the intended consequence."The herbal remedy proved inefficacious at relieving his headache, as it did nothing to lessen the pain. "El remedio herbal demostró ser ineficaz para aliviar su dolor de cabeza, ya que no hizo nada para disminuir el dolor.outcomeabilityqualitynegativefunctionsystemplanprocessChat with AIVocabulary GamePractice Reading
adjective🔗ShareIneficaz, inefectivoNot effective."The doctor warned that the old cough syrup might be inefficacious against my persistent cough, and suggested a stronger medication. "El médico advirtió que el jarabe para la tos antiguo podría ser ineficaz contra mi tos persistente y sugirió un medicamento más fuerte.outcomefunctionabilityqualityChat with AIVocabulary GamePractice Reading