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
Crafted from Omega’s proprietary white gold alloy, this Canopus Gold version is the epitome of stealth wealth.
—
Thor Svaboe, Robb Report, 28 Aug. 2025
Cultural barriers are real – especially fear of job loss or concerns about proprietary data leaking into public AI systems.
—Carolyn Said, USA Today, 28 Aug. 2025
Part of Kohl's improvement has been returning to what customers liked buying before, including jewelry, petite clothing and proprietary brands.
—Ricardo Torres, jsonline.com, 27 Aug. 2025
In addition to proprietary peptides, the formula also includes caffeine to stimulate scalp circulation and reduce hair shedding.
—Conçetta Ciarlo, Vogue, 26 Aug. 2025
See All Example Sentences for proprietary
Thor Svaboe, Robb Report, 28 Aug. 2025
Cultural barriers are real – especially fear of job loss or concerns about proprietary data leaking into public AI systems.
—Carolyn Said, USA Today, 28 Aug. 2025
Part of Kohl's improvement has been returning to what customers liked buying before, including jewelry, petite clothing and proprietary brands.
—Ricardo Torres, jsonline.com, 27 Aug. 2025
In addition to proprietary peptides, the formula also includes caffeine to stimulate scalp circulation and reduce hair shedding.
—Conçetta Ciarlo, Vogue, 26 Aug. 2025
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
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In archival footage and exclusive interviews, the people touched by this case are still pained by its memory.—
Cat Cardenas,
Rolling Stone,
10 Aug. 2025
-
Cirilli provided an exclusive statement to Fox News Digital about Schreiner's lawsuit against Princeton.—
Jackson Thompson,
FOXNews.com,
10 Aug. 2025
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 9 Sep. 2025.
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