DictionaryproprietaryPrivate ownership
adjective

proprietary

pruh-PRY-uh-tair-ee/prəˈpraɪəteri/

Held under the exclusive control of an owner.

The company keeps its proprietary manufacturing process secret from competitors.

A locked proprietary industrial machine behind transparent protective glass, closed design notebook and key held by its female engineer, Black adult.
Etymology

The ownership element marks something as belonging to a particular owner. In this sense, that private ownership carries control over whether others may use it.

In context

Joppa Mill Advisors, Ltd.1:09
Exceptional proprietary resources just means they use their own banks research which isn't necessarily better than any independent source.
Grist from the Mill Little White Lies of Financial Advisors

More examples

  • We need a license to use this proprietary software.
  • The agreement prevents employees from sharing proprietary data.
  • He speaks about the shared garden with a proprietary air.

Forms

proprietor noun — A person who owns a business.

Similar words

private
Private emphasizes restricted access rather than an owner's exclusive control.
exclusive
Exclusive stresses limited access or use, not necessarily ownership.