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
Moreover this flagship model X11L SQD-Mini LED series use proprietary AI processors to fine-tune picture performance in real time.
—
Jason Phillips, USA Today, 11 Feb. 2026
Additionally, Max is capable of shielding car buyers personal identifying information and dealerships proprietary information from being put into a public AI system.
—Olivia Evans, Louisville Courier Journal, 10 Feb. 2026
That optical and mechanical foundation is combined with digital elements to form AWOL's proprietary PixelLock technology.
—New Atlas, 10 Feb. 2026
Thomas, for all his proprietary yammering about his young wards, turns out to have fatally underestimated them.
—Literary Hub, 10 Feb. 2026
See All Example Sentences for proprietary
Jason Phillips, USA Today, 11 Feb. 2026
Additionally, Max is capable of shielding car buyers personal identifying information and dealerships proprietary information from being put into a public AI system.
—Olivia Evans, Louisville Courier Journal, 10 Feb. 2026
That optical and mechanical foundation is combined with digital elements to form AWOL's proprietary PixelLock technology.
—New Atlas, 10 Feb. 2026
Thomas, for all his proprietary yammering about his young wards, turns out to have fatally underestimated them.
—Literary Hub, 10 Feb. 2026
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
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For golf enthusiasts, this hotel offers exclusive access to Tierra del Sol, an 18-hole course designed by Robert Trent Jones II.—
José Cantillo Ferrer,
Condé Nast Traveler,
15 Feb. 2026
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Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.—
Rohan Nadkarni,
NBC news,
14 Feb. 2026
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 22 Feb. 2026.
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