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
Full-spectrum products are believed to be more efficacious because cannabinoids are more effective when working together, a concept known as the entourage effect.
—
Tiney Ricciardi, Denver Post, 13 Nov. 2025
Ingredients such as sandalwood and turmeric indicate a preference for traditional and holistic remedies known for healing properties and targeted efficacious results.
—Vogue Business Team, Vogue, 7 Nov. 2025
Kyle added that the brand’s efficacious doses will be a key differentiator on the market, as many patch brands opt for smaller, clear stickers for the aesthetic, though these may not be as effective.
—Emily Burns, Footwear News, 6 Nov. 2025
This means efficacious skincare and sleek, luminous beauty.
—Essence, 18 Sep. 2025
See All Example Sentences for efficacious
Tiney Ricciardi, Denver Post, 13 Nov. 2025
Ingredients such as sandalwood and turmeric indicate a preference for traditional and holistic remedies known for healing properties and targeted efficacious results.
—Vogue Business Team, Vogue, 7 Nov. 2025
Kyle added that the brand’s efficacious doses will be a key differentiator on the market, as many patch brands opt for smaller, clear stickers for the aesthetic, though these may not be as effective.
—Emily Burns, Footwear News, 6 Nov. 2025
This means efficacious skincare and sleek, luminous beauty.
—Essence, 18 Sep. 2025
See All Example Sentences for efficacious
Recent Examples of Synonyms for efficacious
Adjective
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In addition to making some dealership work more efficient, Max also helps curate safeguards for customers, Clay Turner said.—
Olivia Evans,
Louisville Courier Journal,
10 Feb. 2026
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This problem is especially prevalent in front-loading and energy-efficient top-loaders that use less water in each load during the final rinse.—
Mary Marlowe Leverette,
Southern Living,
9 Feb. 2026
Adjective
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The findings dovetail with a spate of romance scammers on social media, particularly Telegram, promoting HELOC fraud as an effective new way to bilk victims out of even more money.—
Kevin Collier,
NBC news,
14 Feb. 2026
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On Friday, Dubai Ports World announced Sultan Ahmed bin Sulayem resigned from the company effective immediately.—
Saige Miller,
NPR,
14 Feb. 2026
Adjective
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By Monday, a potent low-pressure center will come ashore somewhere around the San Francisco Bay Area, blanketing the state in widespread precipitation and gusty winds.—
Ian Livingston,
Washington Post,
14 Feb. 2026
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With the Epstein story approaching the 10-year mark as a global preoccupation, this nth phase of the intrigue, largely prompted by fallout from the Department of Justice’s July proclamation that there were no further criminal charges in the works, has spawned a potent cottage industry.—
Dan Adler,
Vanity Fair,
14 Feb. 2026
Cite this Entry
“Efficacious.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficacious. Accessed 16 Feb. 2026.
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