PROPRIETARY Synonyms: 18 Similar and Opposite Words

proprietary

adjective

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 Vado Analytics’ consultants draw on a broad library of datasets and proprietary models to refine marketplace execution. —

Malana Vantyler, USA Today, 25 Mar. 2026 Creating proprietary data gives Crowdstrike an edge over its peers. —

Jeff Marks, CNBC, 24 Mar. 2026 The OnePlus 15, meanwhile, needs only 31 minutes thanks to the company's proprietary charging tech and the phone's silicon-carbon battery. —

Eric Zeman, PC Magazine, 24 Mar. 2026 Equipped with the proprietary Sanarium control, the S1 offers five distinct heat and humidity combinations, ranging from a traditional dry sauna to intense tropical steam. —

Rachel Cormack, Robb Report, 23 Mar. 2026 See All Example Sentences for proprietary

Recent Examples of Synonyms for proprietary

exclusive

Adjective

Zara has just been accepted into both Mensa, a high-IQ society that recognizes the top 2% of the population, and Intertel, an even more exclusive group limited to the top 1%.

— Jasmine Viel, CBS News, 28 Mar. 2026
Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.

— Mirna Alsharif, NBC news, 28 Mar. 2026