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
In this environment, many businesses are also shifting from using far-reaching AI models to building and training their own, more efficient proprietary tools.
—
Samantha Subin,
CNBC,
1 July 2026
The key ingredient, HPMC-5, is part of a proprietary technology that creates a breathable moisture barrier around the skin.
—
Maggie Ryan,
Flow Space,
30 June 2026
RailState uses proprietary trackside sensors to read ID information on containers, providing real-time railroad data and analytics for shippers, logistics teams, planners and investors.
—
Glenn Taylor,
Footwear News,
30 June 2026
The new production base will use the company’s proprietary LPPHT micro- and nanodiamond technology to support large-scale manufacturing of semiconductor materials.
—
Neetika Walter,
Interesting Engineering,
30 June 2026
See All Example Sentences for proprietary
Samantha Subin,
CNBC,
1 July 2026
The key ingredient, HPMC-5, is part of a proprietary technology that creates a breathable moisture barrier around the skin.
—
Maggie Ryan,
Flow Space,
30 June 2026
RailState uses proprietary trackside sensors to read ID information on containers, providing real-time railroad data and analytics for shippers, logistics teams, planners and investors.
—
Glenn Taylor,
Footwear News,
30 June 2026
The new production base will use the company’s proprietary LPPHT micro- and nanodiamond technology to support large-scale manufacturing of semiconductor materials.
—
Neetika Walter,
Interesting Engineering,
30 June 2026
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
-
Each issue is filled with breaking news, deep insights and exclusive strategies for becoming a better traveler.
-
Save 25% on NBC News subscription Get exclusive reporting, live Q&As and ad-free reading.
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 6 Jul. 2026.
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