Thesaurus

proprietary

adjective

Synonyms & Antonyms of proprietary

belonging to only one person, unit, or group and not used by or available to others
  • The restaurant's proprietary recipe for barbecue sauce is only known to the head chef.

Synonyms & Near Synonyms for proprietary

Antonyms & Near Antonyms for proprietary

See the Dictionary Definition 

Learn More About proprietary

Time Traveler for proprietary

Time Traveler

The first known use of proprietary was in the 15th century

See more words from the same century

Thesaurus Entries Near proprietary

propping (up)

proprietary

proprieties

See More Nearby Entries 

Cite this Entry

“Proprietary.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proprietary. Accessed 1 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on proprietary

Nglish: Translation of proprietary for Spanish Speakers

Britannica English: Translation of proprietary for Arabic Speakers


Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!