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.
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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
Much of that data came from a system that houses information about pending cases, proprietary data from corporate competitors, personal information about union members or employees voting to join a union, and witness testimony.
—
Jenna McLaughlin, NPR, 15 Apr. 2025
The pieces are then fed into the company’s proprietary thermal mechanical recycling process.
—Jennifer Bringle, Sourcing Journal, 11 Apr. 2025
The gel-like cellulose texture is the perfect vehicle for the brand's proprietary Cicapair serum, which touts plentiful cica and R-Protector, a complex packed with palmitoyl tripeptide-8 to help reinforce the skin barrier.
—Annie Blackman, Allure, 10 Apr. 2025
The brand was founded in 2008 by Seph Skerritt to create custom shirts online using a proprietary prediction algorithm and 3D visualization tools.
—Jean E. Palmieri, Footwear News, 10 Apr. 2025
See All Example Sentences for proprietary
Jenna McLaughlin, NPR, 15 Apr. 2025
The pieces are then fed into the company’s proprietary thermal mechanical recycling process.
—Jennifer Bringle, Sourcing Journal, 11 Apr. 2025
The gel-like cellulose texture is the perfect vehicle for the brand's proprietary Cicapair serum, which touts plentiful cica and R-Protector, a complex packed with palmitoyl tripeptide-8 to help reinforce the skin barrier.
—Annie Blackman, Allure, 10 Apr. 2025
The brand was founded in 2008 by Seph Skerritt to create custom shirts online using a proprietary prediction algorithm and 3D visualization tools.
—Jean E. Palmieri, Footwear News, 10 Apr. 2025
See All Example Sentences for proprietary
Cite this Entry
“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 29 Apr. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share