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...

Potent :: Potent (a.) Producing great physical effects; forcible; powerful' efficacious; as, a potent medicine..

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..

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

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..

Potently :: Potently (adv.) With great force or energy; powerfully; efficaciously.

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..

Efficacious :: Efficacious (n.) Possessing the quality of being effective; productive of, or powerful to produce, the effect intended; as, an efficacious law..

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

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

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

Drastic :: Drastic (a.) Acting rapidly and violently; efficacious; powerful; -- opposed to bland; as, drastic purgatives..

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

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

Theriaca :: Theriaca (n.) An ancient composition esteemed efficacious against the effects of poison; especially, a certain compound of sixty-four drugs, prepared, pulverized, and reduced by means of honey to an electuary; -- called also theriaca Andromachi, and Venice treacle..

Prevailing :: Prevailing (a.) Having superior force or influence; efficacious; persuasive.

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

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..

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

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

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