Having the ability to produce a desired or intended result.
synonyms:effectivesuccessfulThe word 'efficacious' comes from the Latin 'efficax', meaning 'effective', which itself is derived from 'efficere', meaning 'to accomplish'. It has been used in English since the early 17th century.
This word is commonly used in both formal and informal contexts, especially in discussions related to medicine, psychology, and general effectiveness.
While 'efficacious' is not used in everyday conversation, it appears frequently in academic, medical, and professional writings.
The new vaccine was found to be efficacious in preventing the disease.
In order to achieve efficacious results, the team followed the research guidelines closely.
The company's new marketing strategy proved efficacious, leading to a significant increase in sales.
Efficacious is a word that packs a punch when it comes to effectiveness! Originating from the Latin word 'efficax', it has been a staple in the English language since the 17th century. You might hear it in discussions about medicine, where a treatment's efficacy is crucial. Whether you're discussing the success of a new drug or the effectiveness of a strategy, 'efficacious' adds a touch of sophistication to your vocabulary. So next time you want to impress someone with your linguistic prowess, throw in 'efficacious'!