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proprietary

[ pruh-prahy-i-ter-ee ]
/ prəˈpraɪ ɪˌtɛr i /
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adjective
noun, plural pro·pri·e·tar·ies.
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Origin of proprietary

1400–50; late Middle English (noun) <Medieval Latin proprietārius owner, noun use of Late Latin: of an owner, of ownership. See propriety, -ary

OTHER WORDS FROM proprietary

pro·pri·e·tar·i·ly [pruh-prahy-i-tair-i-lee, -prahy-i-ter-], /prəˌpraɪ ɪˈtɛər ɪ li, -ˈpraɪ ɪˌtɛr-/, adverbnon·pro·pri·e·tar·y, adjective, noun, plural non·pro·pri·e·tar·ies.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use proprietary in a sentence

British Dictionary definitions for proprietary

proprietary
/ (prəˈpraɪɪtərɪ, -trɪ) /

adjective
of, relating to, or belonging to property or proprietors
privately owned and controlled
med of or denoting a drug or agent manufactured and distributed under a trade nameCompare ethical (def. 3)
noun plural -taries

Derived forms of proprietary

proprietarily, adverb

Word Origin for proprietary

C15: from Late Latin proprietārius an owner, from proprius one's own
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for proprietary

proprietary
[ prə-prīĭ-tĕr′ē ]

adj.
Exclusively owned, as of a hospital.
Owned by an individual or corporation under a trademark or patent, as of a drug.
n.
A proprietary medicine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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