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 result is a subtle, personal fragrance developed with the brand’s proprietary FlexScent technology, which allows each layer of top, middle and base notes — including peony, jasmine, sandalwood, amber coconut and soft musk — to adapt uniquely to every wearer.
—
Ryma Chikhoune, Footwear News, 30 Oct. 2025
The technology can also layer in proprietary or publicly available data from other legitimate sources—like social media data, historical opinion data, focus group transcripts and more.
—Adam Bai, MSNBC Newsweek, 30 Oct. 2025
The relocation tech company used proprietary data collected from 2020 through October 1, 2025, to analyze move trends.
—Celia Fernandez, CNBC, 29 Oct. 2025
The panels are made from a proprietary polymer composite with an undisclosed fiber-to-resin ratio.
—Kaif Shaikh, Interesting Engineering, 27 Oct. 2025
See All Example Sentences for proprietary
Ryma Chikhoune, Footwear News, 30 Oct. 2025
The technology can also layer in proprietary or publicly available data from other legitimate sources—like social media data, historical opinion data, focus group transcripts and more.
—Adam Bai, MSNBC Newsweek, 30 Oct. 2025
The relocation tech company used proprietary data collected from 2020 through October 1, 2025, to analyze move trends.
—Celia Fernandez, CNBC, 29 Oct. 2025
The panels are made from a proprietary polymer composite with an undisclosed fiber-to-resin ratio.
—Kaif Shaikh, Interesting Engineering, 27 Oct. 2025
See All Example Sentences for proprietary
Recent Examples of Synonyms for proprietary
exclusive
Adjective
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The pact designates Utopai as the exclusive AI tech partner for entertainment for Stock Farm Road, which is reportedly looking to turn Korea into a $35B artificial intelligence data center.—
Jesse Whittock,
Deadline,
3 Nov. 2025
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There was also one exclusive cookie, found in approximately every three packs, that featured Gomez's signature, marking the first time Oreo has ever put an autograph on a cookie, the company said.—
Gabe Hauari,
USA Today,
3 Nov. 2025
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 8 Nov. 2025.
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