adjective, noun, plural -tar⋅ies.| 1. | belonging to a proprietor. |
| 2. | being a proprietor; holding property: the proprietary class. |
| 3. | pertaining to property or ownership: proprietary wealth. |
| 4. | belonging or controlled as property. |
| 5. | manufactured and sold only by the owner of the patent, formula, brand name, or trademark associated with the product: proprietary medicine. |
| 6. | privately owned and operated for profit: proprietary hospitals. |
| 7. | an owner or proprietor. |
| 8. | a body of proprietors. |
| 9. | American History. the grantee or owner, or one of the grantees or owners, of a proprietary colony. |
| 10. | ownership. |
| 11. | something owned, esp. real estate. |
| 12. | a proprietary medicine. |
| 13. | Also called proprietary school. a school organized as a profit-making venture primarily to teach vocational skills or self-improvement techniques. |
proprietary pro·pri·e·tar·y (prə-prī'ĭ-těr'ē)
adj.
Exclusively owned, as of a hospital.
Owned by an individual or corporation under a trademark or patent, as of a drug.
proprietary
1. In marketroid-speak, superior; implies a product imbued with exclusive magic by the unmatched brilliance of the company's own hardware or software designers.
2. In the language of hackers and users, inferior; implies a product not conforming to open-systems standards, and thus one that puts the customer at the mercy of a vendor who can inflate service and upgrade charges after the initial sale has locked the customer in.
[The Jargon File]