Definitions (2)

1.Characteristic of, or relating to, a proprietor.
2.Made, offered, or sold only under the exclusive rights of the property ownership (governed by copyright, patent, and trade secret laws) of a manufacturer, offeror, or seller. Proprietary items usually have distinctive characteristics or features, and are often incompatible with competing items.

Use proprietary in a sentence

  • The woman has a proprietary right to the house because she has paid it in full, no one can take it away from her without permission.

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  • Certain pieces of technology use proprietary charging cables so that other vendors cannot simply remake their own cables and sell for a cheaper price.

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  • Many companies require new hires to sign confidentiality agreements to promise that they will not provide proprietary information to other companies that may use it to compete with the company.

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