Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of efficacious is as below...

Antiodontalgic :: Antiodontalgic (a.) Efficacious in curing toothache.

Energetical :: Energetical (a.) Exhibiting energy; operating with force, vigor, and effect; forcible; powerful; efficacious; as, energetic measures; energetic laws..

Antipyretic :: Antipyretic (a.) Efficacious in preventing or allaying fever.

Powerful :: Powerful (a.) Full of power; capable of producing great effects of any kind; potent; mighty; efficacious; intense; as, a powerful man or beast; a powerful engine; a powerful argument; a powerful light; a powerful vessel..

Antisyphilitic :: Antisyphilitic (a.) Efficacious against syphilis.

Snakeroot :: Snakeroot (n.) Any one of several plants of different genera and species, most of which are (or were formerly) reputed to be efficacious as remedies for the bites of serpents; also, the roots of any of these..

Forcible :: Forcible (a.) Possessing force; characterized by force, efficiency, or energy; powerful; efficacious; impressive; influential..

Anticatarrhal :: Anticatarrhal (a.) Efficacious against catarrh.

Effectually :: Effectually (adv.) With effect; efficaciously.

Potential :: Potential (a.) Being potent; endowed with energy adequate to a result; efficacious; influential.

Inefficaciously :: Inefficaciously (adv.) without efficacy or effect.

Inefficient :: Inefficient (a.) Not efficient; not producing the effect intended or desired; inefficacious; as, inefficient means or measures..

Barberry :: Barberry (n.) A shrub of the genus Berberis, common along roadsides and in neglected fields. B. vulgaris is the species best known; its oblong red berries are made into a preserve or sauce, and have been deemed efficacious in fluxes and fevers. The bark dyes a fine yellow, esp. the bark of the root..

Inflential :: Inflential (a.) Exerting or possessing influence or power; potent; efficacious; effective; strong; having authority or ascendency; as, an influential man, station, argument, etc..

Virtuate :: Virtuate (v. t.) To make efficacious; to give virtue of efficacy.

Sovereign :: Sovereign (a.) Efficacious in the highest degree; effectual; controlling; as, a sovereign remedy..

Inefficacious :: Inefficacious (a.) Not efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent.

Valid :: Valid (a.) Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection..

Inefficaciousness :: Inefficaciousness (n.) Want of effect, or of power to produce the effect; inefficacy..

Supersede :: Supersede (v. t.) To make void, inefficacious, or useless, by superior power, or by coming in the place of; to set aside; to render unnecessary; to suspend; to stay..

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