American Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition proprietary in American English

proprietary adjective

adjective
/prəˈpraɪəˌteri/
1

owned by a person or company and sold under a trademark or patent

Example

proprietary brands/drugs

Synonyms and related words
1.1

relating to owning something

Example

a proprietary interest/right

Synonyms and related words
2

typical of an owner

Example

a proprietary air/attitude

Synonyms and related words
Definition proprietary in American English