proprietary

noun
pro·​pri·​e·​tary | \ prə-ˈprī-ə-ˌter-ē How to pronounce proprietary (audio) \
plural proprietaries

Definition of proprietary

 (Entry 1 of 2)

1 : one that possesses, owns, or holds exclusive right to something specifically : proprietor sense 1
2 : something that is used, produced, or marketed under exclusive legal right of the inventor or maker specifically : a drug (such as a patent medicine) that is protected by secrecy, patent, or copyright against free competition as to name, product, composition, or process of manufacture
3 : a business secretly owned by and run as a cover for an intelligence organization

proprietary

adjective
pro·​pri·​e·​tary | \ prə-ˈprī-ə-ˌter-ē How to pronounce proprietary (audio) \

Definition of proprietary (Entry 2 of 2)

1 : of, relating to, or characteristic of an owner or title holder proprietary rights
2 : used, made, or marketed by one having the exclusive legal right a proprietary process proprietary software
3 : privately owned and managed and run as a profit-making organization a proprietary clinic

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Did you know?

A proprietary process is a manufacturing process that others are forbidden to use, and a proprietary trademark is a name that only the owner can use. Legal rights of this kind are ensured by copyrights and patents. After a certain period of time, inventions and processes lose their legal protection, cease to be proprietary, and enter the "public domain", meaning that everyone can use them freely. Baseball fans often take a proprietary attitude toward their favorite team—that is, they behave more or less as if they own it, even though the only thing they may own is the right to yell from a bleacher seat till the end of a game.

Examples of proprietary in a Sentence

Adjective By allowing less favorable results to remain buried, the agency puts proprietary interests ahead of the public interest, and doctors and the public come to believe prescription drugs are better than they are. That should stop. — Marcia Angell, New York Review of Books, 8 June 2006 It is a proprietary faith: no one better tell me what to do with my own land. — Lance Morrow, Time, 11 Sept. 2000 Many veterans have adopted a proprietary attitude toward the war, and they can get a bit belligerent about it. — Nicholas Proffitt, New York Times Book Review, 21 May 1989 The investors have a proprietary interest in the land. The computer comes with the manufacturer's proprietary software. “Merriam-Webster” is a proprietary name. The journalist tried to get access to proprietary information.
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Recent Examples on the Web: Adjective The proprietary blend of plum varietals is an excellent source of antioxidants, polyphenols, fatty acids and vitamins. Bea Mcmonagle, Forbes, 31 May 2021 In-house nutritionist Lin has developed a proprietary blend that contains healthy fats, antioxidants, and plant botanicals known to combat inflammation. Deidre Dyer, Vogue, 20 Apr. 2021 The patties are made from Horn’s proprietary blend of beef, and each burger will feature two patties, cheese and a secret sauce. Janelle Bitker, San Francisco Chronicle, 15 Mar. 2021 Thanks to these findings, researchers realized updating the ratios of the active ingredients in their proprietary blend of herbs would amp up performance even further. Dianna Mazzone, Allure, 19 Feb. 2021 Capsimax powder: This proprietary blend combines capsicum, caffeine, piperine, and niacin. Norcal Marketing, Chron, 4 Feb. 2021 That case alleged the company is unlawfully leveraging its search dominance to limit consumers from using competing search engines, and to force businesses to use its proprietary advertising tools. Brent Kendall, WSJ, 18 Dec. 2020 The secret ingredient in Crappie Magnet Slab Bites from BrushPile Fishing is a proprietary blend of scents made from the minnows that crappie prefer. Colin Moore, Field & Stream, 19 Nov. 2020 The aim was to fight the growing problem of automakers restricting their proprietary diagnostics tools to anyone other than official franchised dealer networks. Jonathan M. Gitlin, Ars Technica, 4 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'proprietary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of proprietary

Noun

15th century, in the meaning defined at sense 1

Adjective

1589, in the meaning defined at sense 1

History and Etymology for proprietary

Noun

Middle English propietarie, from Anglo-French, from Medieval Latin propietarius, from Late Latin, adjective — see proprietary entry 2

Adjective

Late Latin proprietarius, from Latin proprietas property — more at property

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Learn More About proprietary

Time Traveler for proprietary

Time Traveler

The first known use of proprietary was in the 15th century

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Statistics for proprietary

Cite this Entry

“Proprietary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proprietary. Accessed 20 Jun. 2021.

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More Definitions for proprietary

proprietary

adjective

English Language Learners Definition of proprietary

formal
: of or like that of an owner
: used, made, or sold only by the particular person or company that has the legal right to do so
: kept private by an owner

proprietary

noun
pro·​pri·​e·​tary | \ p(r)ə-ˈprī-ə-ˌter-ē How to pronounce proprietary (audio) \
plural proprietaries

Medical Definition of proprietary

 (Entry 1 of 2)

: something that is used, produced, or marketed under exclusive legal right of the inventor or maker specifically : a drug (as a patent medicine) that is protected by secrecy, patent, or copyright against free competition as to name, product, composition, or process of manufacture

proprietary

adjective

Medical Definition of proprietary (Entry 2 of 2)

1 : used, made, or marketed by one having the exclusive legal right a proprietary drug
2 : privately owned and managed and run as a profit-making organization a proprietary clinic

proprietary

noun
pro·​pri·​e·​tary | \ prə-ˈprī-ə-ˌter-ē How to pronounce proprietary (audio) \
plural proprietaries

Legal Definition of proprietary

 (Entry 1 of 2)

1 : something that is used, produced, or marketed under exclusive legal right of the inventor or maker specifically : a drug (as a patent medicine) that is protected by secrecy, patent, or copyright against free competition as to name, product, composition, or process of manufacture
2 : a business secretly owned by and run as a cover for an intelligence operation

proprietary

adjective

Legal Definition of proprietary (Entry 2 of 2)

1a : held as property of a private owner
b : of, relating to, or characteristic of a proprietor proprietary rights
2 : used, made, or marketed by one having the exclusive legal right a proprietary process
3 : privately owned and managed and run as a profit-making organization a proprietary insurer a proprietary clinic
4 : of or relating to the acts of a municipality which profit or benefit the municipality and for which it is answerable in negligence

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