proprietary
Upper-Intermediate (B2)
IPA: /prəˈpraɪəˌtɛri/
KK: /prəˈpraɪəˌtɛri/
adjective
Definition
Belonging to a specific owner or company, often used to describe products or information that are not available to the public and are protected by patents or trademarks.
Example
The software is proprietary, meaning it cannot be modified or shared without permission from the owner.
Conversation
Have you ever tried that proprietary software for graphic design?
No, I haven't, but I've heard it's really user-friendly.
Yeah, and it has some unique features that aren't available in free programs.
Sounds interesting! I might look into it for my next project.
Synonyms & Antonyms
Synonyms
exclusive
private
patented
Antonyms
public
common
shared
noun
Definition
A person or group that owns something, especially a business or property.
Example
The proprietors of the restaurant decided to expand their menu.
Conversation
Did you hear about that new cafe that just opened up downtown?
Yeah, I heard they serve some really unique drinks.
I think they're using a proprietary blend of coffee.
Root Explanation
Proprietary → It is formed from "proprius" (meaning one's own) and the suffix "-ary" (meaning relating to or connected with). The word "proprietary" refers to something that is owned or related to ownership.
Memory Tip
Think of 'one's own' ('proprius') to remember that 'proprietary' means something that is owned or related to ownership.
Visually Confused Words
nonproprietary
unpropriety
impropriety
proletary
parietary