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
Those episodes were made with the company's proprietary AI engine, fine-tuned for animated storytelling.
—
Kurt Knutsson, FOXNews.com, 12 Sep. 2025
Kodiak Robotics, which creates AI systems that allow autonomous vehicles to operate safely and efficiently, announced Wednesday that its partner Roush Industries had delivered the first autonomous truck equipped with Kodiak’s proprietary technology, Kodiak Driver, off the production line.
—Meghan Hall, Sourcing Journal, 11 Sep. 2025
This model has a rechargeable battery, which unfortunately uses a proprietary charging cable.
—Brad Bourque, Wired News, 11 Sep. 2025
That demand for constant revision caused a series of time delays and cost overruns, but also led to the engineers designing proprietary parts for the aircraft, rather than relying on off-the-shelf equipment.
—Michael Verdon, Robb Report, 10 Sep. 2025
See All Example Sentences for proprietary
Kurt Knutsson, FOXNews.com, 12 Sep. 2025
Kodiak Robotics, which creates AI systems that allow autonomous vehicles to operate safely and efficiently, announced Wednesday that its partner Roush Industries had delivered the first autonomous truck equipped with Kodiak’s proprietary technology, Kodiak Driver, off the production line.
—Meghan Hall, Sourcing Journal, 11 Sep. 2025
This model has a rechargeable battery, which unfortunately uses a proprietary charging cable.
—Brad Bourque, Wired News, 11 Sep. 2025
That demand for constant revision caused a series of time delays and cost overruns, but also led to the engineers designing proprietary parts for the aircraft, rather than relying on off-the-shelf equipment.
—Michael Verdon, Robb Report, 10 Sep. 2025
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
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The dream drive package includes private transfer to The Barn, Napa Valley Car Club's exclusive clubhouse, post-drive drinks and stories and return transfer.—
Michael Goldstein,
Forbes.com,
16 Sep. 2025
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Sign up for Entertainment Weekly's free daily newsletter to get breaking TV news, exclusive first looks, recaps, reviews, interviews with your favorite stars, and more.—
Sydney Bucksbaum,
Entertainment Weekly,
15 Sep. 2025
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 18 Sep. 2025.
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