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Definitions

proprietary

[pruh-prahy-i-ter-ee] / prəˈpraɪ ɪˌtɛr i /




NOUN
patent medicine
Synonyms






Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Andy Florance, CoStar’s founder and CEO, previously told Barron’s that it’s focused on building its artificial-intelligence offerings, noting that three-fourths or more of its information business is proprietary, limiting the potential for tech disruption.

From Barron's • Jun. 11, 2026

Summary: ExpressVPN combines smooth streaming with strong privacy backed by its proprietary Lightway protocol.

From Salon • Jun. 10, 2026

J&J on Monday said Firefly is developing its proprietary Firelink degrader antibody conjugate platform, for KRAS-driven cancers, which have limited treatment options with survival measured in months.

From The Wall Street Journal • Jun. 8, 2026

ServiceTitan combines a vault of proprietary data with end-to-end AI integration.

From Barron's • Jun. 5, 2026

“Even if it’s going right through him, he’ll still get the benefits of the electrolytes. In fact, its proprietary formula is proven to improve quality of life.”

From "Dry" by Neal Shusterman and Jarrod Shusterman




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