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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.

The company has also seen more than 500 organizations swap from proprietary to open-source models.

From The Wall Street Journal • Jun. 12, 2026

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

S&P Global—a provider of credit ratings for debt, proprietary databases on commodities, energy, and technology, as well as many other investor tools—wasn’t immune.

From Barron's • Jun. 10, 2026

Ammu grew tired of their proprietary handling of her.

From "The God of Small Things" by Arundhati Roy




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