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 site uses proprietary AI software to set competitive and deeply discounted prices for its items – typically at least 50% off – with free shipping after $75 in purchases.
—
Betty Lin-Fisher, USA Today, 5 June 2025
Its ace in the hole is the D+ Lens, a proprietary technology that has been engineered to relax the eye muscles in relation to light and color transmission and serves as the foundation of its best-selling Junya Racer line.
—Eric Twardzik, Robb Report, 2 June 2025
This will include real-time display of summaries and short excerpts of Times content within Amazon products and services, such as Alexa, and training Amazon’s proprietary foundation models.
—Jill Goldsmith, Deadline, 29 May 2025
To that end, the company operates a proprietary mobile app and point of sales system to enhance customer experience and streamline operations online.
—Russell Flannery, Forbes.com, 28 May 2025
See All Example Sentences for proprietary
Betty Lin-Fisher, USA Today, 5 June 2025
Its ace in the hole is the D+ Lens, a proprietary technology that has been engineered to relax the eye muscles in relation to light and color transmission and serves as the foundation of its best-selling Junya Racer line.
—Eric Twardzik, Robb Report, 2 June 2025
This will include real-time display of summaries and short excerpts of Times content within Amazon products and services, such as Alexa, and training Amazon’s proprietary foundation models.
—Jill Goldsmith, Deadline, 29 May 2025
To that end, the company operates a proprietary mobile app and point of sales system to enhance customer experience and streamline operations online.
—Russell Flannery, Forbes.com, 28 May 2025
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
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Businesses can incorporate scarcity into their own marketing by creating limited-time offers or product drops, and creating an exclusive community around the brand.—
Chelsea Tobin,
Forbes.com,
5 June 2025
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Variety debuts an exclusive first clip from the film and speaks to the director.—
Leo Barraclough,
Variety,
5 June 2025
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 13 Jun. 2025.
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