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
Watch on Deadline The organization will use its proprietary digital infrastructure to coordinate efforts and ensure that resources reach those in need as quickly and efficiently as possible.
—
Armando Tinoco, Deadline, 14 Jan. 2025
The brand's proprietary peptide adds an extra layer of protection, helping to reduce protein loss and maintain strength.
—Erin Parker, Allure, 3 Jan. 2025
Taco Bell Crispy Five-Cheese Roach Cantina Made in partnership with Taco Bell, the Crispy Five-Cheese Roach Cantina is slathered in a hot-and-sweet queso-rancho dip mixed with our proprietary roach glue.
—Charlie Dektar, The New Yorker, 2 Jan. 2025
Transportation has many buzzwords, acronyms, and proprietary terms like any industry.
—William Roberson, Forbes, 31 Dec. 2024
See all Example Sentences for proprietary 
Armando Tinoco, Deadline, 14 Jan. 2025
The brand's proprietary peptide adds an extra layer of protection, helping to reduce protein loss and maintain strength.
—Erin Parker, Allure, 3 Jan. 2025
Taco Bell Crispy Five-Cheese Roach Cantina Made in partnership with Taco Bell, the Crispy Five-Cheese Roach Cantina is slathered in a hot-and-sweet queso-rancho dip mixed with our proprietary roach glue.
—Charlie Dektar, The New Yorker, 2 Jan. 2025
Transportation has many buzzwords, acronyms, and proprietary terms like any industry.
—William Roberson, Forbes, 31 Dec. 2024
See all Example Sentences for proprietary
Thesaurus Entries Near proprietary
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 20 Jan. 2025.
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