PROPRIETARY Synonyms: 18 Similar and Opposite Words

proprietary

adjective

Definition of proprietary

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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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of proprietary The second mission will produce Helogen’s proprietary biomaterials for orthopedic repair, including potential knee and shoulder applications. — Kaif Shaikh, Interesting Engineering, 2 Sep. 2026 Miami-Dade County Public Schools has an agreement with Google to access Gemini, its proprietary large language model. — Austin Horn, Miami Herald, 2 Sep. 2026 Columbia Sportswear utilizes proprietary Omni-Freez Zero technology, which uses special polymer rings embedded in the fabric that react with sweat to pull heat away from the body. — David Moin, Footwear News, 2 Sep. 2026 Catania said OneRail’s proprietary data, which includes a network of more than 12 million drivers and over 1,000 logistics partners, is being used to train the AI on the most efficient routes and delivery options. — Laya Neelakandan, CNBC, 1 Sep. 2026 See All Example Sentences for proprietary

Recent Examples of Synonyms for proprietary

exclusive

Adjective

FanDuel is the exclusive sports betting partner of The Ringer.

— Greg Rosenstein, NBC news, 2 Sep. 2026
Check out the exclusive trailer for The Pervert’s Guide to Utopias below.

— Scott Roxborough, HollywoodReporter, 2 Sep. 2026

Definition of exclusive

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propping (up)

proprietary

proprieties

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“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 4 Sep. 2026.

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Synonyms of proprietary

adjective

Example Sentences

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