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
The Italian marque has drawn heavily from its racing and hypercar heritage to put this one together with proprietary technologies and systems.
—
New Atlas, 10 Oct. 2025
Zelig’s technology renders garments on avatars and shows fabric textures and how the fabrics drape, fold and bunch on models of different heights, sizes and proportions, using thousands of proprietary data points.
—David Moin, Footwear News, 9 Oct. 2025
The weight and drape of the material are unique to AeoniQ, per Franklin, which is produced using a proprietary closed-loop process.
—Alexandra Harrell, Sourcing Journal, 9 Oct. 2025
At my first visit, I was greeted by a wall of their proprietary products and staff who gave me a skincare assessment, photographing my face from multiple angles to track my progess over the next few months.
—Essence, 9 Oct. 2025
See All Example Sentences for proprietary
New Atlas, 10 Oct. 2025
Zelig’s technology renders garments on avatars and shows fabric textures and how the fabrics drape, fold and bunch on models of different heights, sizes and proportions, using thousands of proprietary data points.
—David Moin, Footwear News, 9 Oct. 2025
The weight and drape of the material are unique to AeoniQ, per Franklin, which is produced using a proprietary closed-loop process.
—Alexandra Harrell, Sourcing Journal, 9 Oct. 2025
At my first visit, I was greeted by a wall of their proprietary products and staff who gave me a skincare assessment, photographing my face from multiple angles to track my progess over the next few months.
—Essence, 9 Oct. 2025
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
-
Fans can also buy VIP tickets that will entitle them to meet-and-greet opportunities, exclusive tour merchandise and front-row seats.—
Frank DiGiacomo,
Billboard,
13 Oct. 2025
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For this collab, the designer drew inspiration from Blundstone‘s All-Terrain series, originally crafted for culinary professionals, to create the exclusive #2453 clog.—
Stephen Garner,
Footwear News,
13 Oct. 2025
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 19 Oct. 2025.
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