proprietary

/prəˈpraɪəˌtɛri/
noun
  1. A product, especially a medicine, that is made and sold by a particular company under a trademark.
    • The company's newest proprietary became a bestseller in drugstores.
    • Many proprietaries are available over the counter without a prescription.
    • The pharmacist recommended a proprietary for the patient's cough.
  2. The owner or owners of a business or property.
    • The proprietaries met to discuss the future of the estate.
    • The proprietary of the hotel greeted the guests at the front desk.
    • As the sole proprietary, she made all the decisions for the shop.
adjective
  1. Owned and controlled by a particular person or company, not available for others to use or copy freely.
    • The company uses a proprietary software that only its employees can access.
    • He filed a patent to protect his proprietary formula for the new energy drink.
    • Proprietary technology gives the business an advantage over its competitors.
  2. Relating to an owner or ownership.
    • She has a proprietary interest in the success of the store she founded.
    • The document outlines the proprietary claims of each partner.
    • The proprietary rights to the land belong to the original family.
Antonyms
What does "proprietary" mean? | whatsthatwordmean | whatsthatwordmean