Efficacious

Quick meaning: Efficacious is an adjective meaning (formal) Effective; possessing efficacy.

Meaning

(formal) Effective; possessing efficacy.

Example Sentences

This medicine is efficacious.

He would weep for hours together, and I verily believe that to the very end this spoilt child of life thought his weak tears in some way efficacious.

For, that the ordure, which continually gathers on the skin, would ſoon ſtop the pores of it, if the ſweat were not furniſht with ſome efficacious diſſolvent to open and pierce them.

By the end of the tenth century, Edith's humility had inspired a cult of holy wells in Kent, Staffordshire, and Herefordshire. Their waters were deemed efficacious for eye conditions.

Synonyms for efficacious

Depending on context, synonyms include effective, impressive, trenchant, effectual, telling, hard-hitting.

Antonyms for efficacious

Common opposites include inefficacious, ineffectual, ineffective, uneffective.

Related Words

Related dictionary entries include effectual, effective, impressive, telling, hard-hitting, trenchant.

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