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Today's Word "efficacious"

Possessing the quality of being effective on

Published in Vocabulary

efficacious \ef-ih-KAY-shuhs\ (adjective) - Possessing the quality of being effective; producing, or capable of producing, the effect intended; as, an efficacious law.

"Plagued by rats, the citizens of Hamelin desperately sought an efficacious method of pest control."

 

Efficacious is from Latin efficax, -acis, from efficere, "to effect, to bring about," from ex-, "out" + facere, "to do or make."


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