as in efficient
producing or capable of producing a desired result
taking a cookie break while studying is one of the most efficacious ways of rejuvenating the mind that I have ever discovered
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Recent Examples of efficacious
On the other side are patients living with untreated diseases hoping that pharmaceutical companies will soon develop an efficacious treatment.
—
Wayne Winegarden, Forbes, 5 Mar. 2025
Rhode is dedicated to making products based in science and great formulation, simplifying many of the mysteries and complex narratives behind efficacious skincare.
—Jason Pham, StyleCaster, 29 May 2025
If price controls are adopted in the U.S., then patients living with Alzheimer’s disease, pancreatic cancer, or muscular dystrophy may end up waiting in vain for efficacious treatments.
—Wayne Winegarden, Forbes.com, 4 May 2025
Consequently, these controls exacerbate the tension between patients who have access to safe and efficacious medicines and patients living with untreated or poorly treated conditions.
—Wayne Winegarden, Forbes.com, 20 Apr. 2025
See All Example Sentences for efficacious
Wayne Winegarden, Forbes, 5 Mar. 2025
Rhode is dedicated to making products based in science and great formulation, simplifying many of the mysteries and complex narratives behind efficacious skincare.
—Jason Pham, StyleCaster, 29 May 2025
If price controls are adopted in the U.S., then patients living with Alzheimer’s disease, pancreatic cancer, or muscular dystrophy may end up waiting in vain for efficacious treatments.
—Wayne Winegarden, Forbes.com, 4 May 2025
Consequently, these controls exacerbate the tension between patients who have access to safe and efficacious medicines and patients living with untreated or poorly treated conditions.
—Wayne Winegarden, Forbes.com, 20 Apr. 2025
See All Example Sentences for efficacious
Recent Examples of Synonyms for efficacious
Adjective
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Credible Smart Home Sustainability For years, Energy Star has helped consumers identify efficient appliances and products, but now the program faces potential elimination.—
Jennifer Castenson,
Forbes.com,
23 July 2025
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Additionally, the liquid form allows for the efficient delivery of probiotics to the gut. 4.—
Lana Barhum,
Verywell Health,
23 July 2025
Adjective
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Seniors who participate in the AmeriCorps programs, for example, also are involved in different but related programs that may now be less effective because AmeriCorps dollars provided transportation or other services.—
Dan Horn,
The Enquirer,
23 July 2025
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Garbarino is set to replace Rep. Mark Green, who resigned from Congress effective Monday.—
Kevin Shalvey,
ABC News,
22 July 2025
Adjective
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Time and again, Garfield impresses with potent compositions, particularly in a scene that depicts father and daughter obliviously walking through a field in the foreground while, in the right-hand corner of the screen, a distant car slowly bears down upon them.—
Joe Leydon,
Variety,
1 Aug. 2025
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But an even more potent metaphor is on the horizon as Millie and Tim go for a hike near their new home and end up temporarily trapped in an underground cave.—
Louis Peitzman,
Vulture,
31 July 2025
Cite this Entry
“Efficacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficacious. Accessed 4 Aug. 2025.
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