as in exclusive
belonging to only one person, unit, or group and not used by or available to others
The restaurant's proprietary recipe for barbecue sauce is only known to the head chef.
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Recent Examples of proprietary
Also, unlike the Colts' video, the Chargers' video appears to be actual recorded gameplay of Minecraft, while Indianapolis used proprietary animation.
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Jackson Thompson, FOXNews.com, 15 May 2025
Its star ingredient is Maxi-Lip, a proprietary plumping blend that’s been shown to increase lip volume by 40%.
—Annie Blay-Tettey, Allure, 13 May 2025
This product utilizes Milani’s proprietary Digital Bluelight Filter to blur away skin imperfections.
—Bestreviews, Mercury News, 9 May 2025
China also developed proprietary technologies to improve efficiency and productivity, including cutting-edge end-use products such as batteries, turbines, and weapons.
—Heidi Crebo-Rediker, Foreign Affairs, 7 May 2025
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
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Download it now for the most binge-worthy celeb content, exclusive video clips, astrology updates and more!—
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Grey/Ven will introduce exclusive capsule collections at all five Blue&Cream stores with resort and summer pieces, from sets to dresses and outerwear.—
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 28 May. 2025.
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