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
Shoes in this collection feature the brand’s proprietary ProjectPlush support system, which is basically just a footbed that contours to the natural curvature of the feet, helping to distribute weight evenly and alleviate pressure points that could lead to soreness, calluses, and blisters.
—
Olivia Young, Travel + Leisure, 25 Oct. 2025
Zozo operates the ZozoTown fashion e-commerce platform in Japan and has extensive technology with proprietary measurement and body scanning tools and an outfit-sharing app.
—David Moin, Footwear News, 24 Oct. 2025
One potentially more significant trade-off is the proprietary nature of Bambu’s ecosystem.
—PC Magazine, 24 Oct. 2025
Both feature a proprietary blend including kanna for mood-boosting, reishi for balance, and Lion’s Mane for mental clarity.
—Kimberly Wilson, Essence, 24 Oct. 2025
See All Example Sentences for proprietary
Olivia Young, Travel + Leisure, 25 Oct. 2025
Zozo operates the ZozoTown fashion e-commerce platform in Japan and has extensive technology with proprietary measurement and body scanning tools and an outfit-sharing app.
—David Moin, Footwear News, 24 Oct. 2025
One potentially more significant trade-off is the proprietary nature of Bambu’s ecosystem.
—PC Magazine, 24 Oct. 2025
Both feature a proprietary blend including kanna for mood-boosting, reishi for balance, and Lion’s Mane for mental clarity.
—Kimberly Wilson, Essence, 24 Oct. 2025
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
-
Beatrice is also a Counsellor of State to King Charles, an exclusive position which allows members of the royal family to carry out business on behalf of the monarch.—
Meredith Kile,
PEOPLE,
28 Oct. 2025
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Art Basel also unveiled a five-year partnership with members-only app Dorsia, offering exclusive access and experiences, including an Art Basel Afters nightlife program launching in Miami Beach in December.—
Joelle Diderich,
Footwear News,
27 Oct. 2025
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 29 Oct. 2025.
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