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

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Recent Examples of proprietary The Clair tracks more than 130 proprietary biomarkers including skin temperature, heart rate, sleep metrics, breathing rate and motion to give women insight into what their hormones are up to. —

Helen Carefoot, Flow Space, 18 June 2026 The proprietary Garmin Clarity polarizer lens also reduces windshield glare, so the recordings are clear and watchable. —

George Yang, PC Magazine, 18 June 2026 Toonstar says its proprietary production system, Ink & Pixel, allows the company to produce animation quickly enough to operate at the pace of social media and YouTube publishing schedules. —

Dana Harris-Bridson, IndieWire, 18 June 2026 The company’s proprietary tech allows for supports distribution, content management, monetization and promotion. —

Jesse Whittock, Deadline, 18 June 2026 See All Example Sentences for proprietary

Recent Examples of Synonyms for proprietary

exclusive

Adjective

Miniso aims to bring the element of surprise to each visit, according to its website, combining new arrivals with seasonal good and exclusive collaborations.

— Corey Schmidt, Sacbee.com, 21 June 2026
Mumbai, India — Burning sandalwood thickens the air in a room that’s so exclusive only a vanishingly small number of people are allowed to enter.

— Rhea Mogul, CNN Money, 21 June 2026