FAQs About the word inefficacious

ineffective

lacking the power to produce a desired effectNot efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent.

counterproductive,ineffective,inefficient,unsuccessful,reckless,futile,ineffectual,inexpedient,pointless,useless

effective,effective,efficacious,efficient,expedient,beneficial,helpful,operant,productive,Profitable

ineffervescible => Ineffervescent, ineffervescibility => Non-effervescent, ineffervescent => Ineffervescent, ineffervescence => Ineffervescence, ineffectualness => ineffectiveness,