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
Instead of leaning on the chip, though, you were expected to connect with a proprietary external GPU to power the system.
—
PC Magazine, 27 May 2025
This best-selling lightweight layer with nearly 2,000 five-star ratings is made of the brand’s proprietary X-Static fabric, which prevents static cling and the growth of stinky bacteria.
—Katie Jackson, Travel + Leisure, 25 May 2025
Without a public alternative, the proprietary models used by insurance companies are what we are left with.
—Jordan Haedtler, Mercury News, 24 May 2025
The Strategist touched on a couple of options powered by proprietary apps that keep things orderly but limit functionality.
—Vulture Staff, Vulture, 23 May 2025
See All Example Sentences for proprietary
PC Magazine, 27 May 2025
This best-selling lightweight layer with nearly 2,000 five-star ratings is made of the brand’s proprietary X-Static fabric, which prevents static cling and the growth of stinky bacteria.
—Katie Jackson, Travel + Leisure, 25 May 2025
Without a public alternative, the proprietary models used by insurance companies are what we are left with.
—Jordan Haedtler, Mercury News, 24 May 2025
The Strategist touched on a couple of options powered by proprietary apps that keep things orderly but limit functionality.
—Vulture Staff, Vulture, 23 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!—
Nicholas Rice,
People.com,
25 May 2025
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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.—
David Moin,
Footwear News,
24 May 2025
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 2 Jun. 2025.
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