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proprietary

[pruh-prahy-i-ter-ee] / prəˈpraɪ ɪˌtɛr i /
NOUN
cure
Synonyms
STRONGEST
antidote drug elixir fix healing medication medicine panacea placebo quick fix recovery remedy treatment
STRONG
aid alleviation assistance catholicon corrective countermeasure help medicament nostrum physic redress reparation therapeutic
WEAK
counteractant counteragent elixir vitae healing agent medicant pharmacon restora-tive
Antonyms
STRONGEST
injury
STRONG
blockage hindrance hurt obstruction stop
WEAK
disease problem
NOUN
medicament
Synonyms
STRONG
aid alleviation antidote assistance catholicon corrective countermeasure drug elixir fix healing help medication medicine nostrum panacea physic placebo recovery redress remedy reparation therapeutic treatment
WEAK
counteractant counteragent elixir vitae healing agent medicant pharmacon quick fix restora-tive
Antonyms
STRONG
blockage harm hindrance hurt injury obstruction stop
NOUN
medication
Synonyms
STRONGEST
aid assistance drug medicine placebo remedy treatment
STRONG
alleviation antidote catholicon corrective countermeasure elixir fix healing help medicament nostrum panacea physic recovery redress reparation therapeutic
WEAK
counteractant counteragent elixir vitae healing agent medicant pharmacon quick fix restora-tive
Antonyms
STRONGEST
hindrance hurt injury
NOUN
patent medicine
Synonyms
WEAK
ethical drug medication proprietary drug
NOUN
physic
Synonyms
STRONG
aid alleviation antidote assistance catholicon corrective countermeasure drug elixir fix healing help medicament medication medicine nostrum panacea placebo recovery redress remedy reparation therapeutic treatment
WEAK
counteractant counteragent elixir vitae healing agent medicant pharmacon quick fix restora-tive
Antonyms
STRONG
blockage harm hindrance hurt injury obstruction stop
NOUN
possession
Synonyms
STRONGEST
custody
STRONG
dominion hold occupancy occupation proprietorship retention tenancy tenure title
WEAK
possessorship proprietary rights
Antonyms
WEAK
lack need want
NOUN
property
Synonyms
STRONGEST
equity estate farm goods home house land ownership plot tract wealth worth
STRONG
acreage acres assets belongings buildings capital chattels claim dominion effects freehold holdings inheritance means premises proprietorship realty resources riches substance title
WEAK
possessorship
Antonyms
STRONG
debt
NOUN
proprietor
Synonyms
STRONG
freeholder holder owner possessor
WEAK
front office land owner meal ticket titleholder
Antonyms
WEAK
customer

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Penney, Bloomingdale’s and proprietary stores in the same suburban shopping malls.

From The Wall Street Journal • Apr. 3, 2026

Like most proprietary software, Claude’s source code is usually obfuscated and hard to reverse engineer.

From The Wall Street Journal • Apr. 1, 2026

Reflection offers open-source AI models, allowing free download and modification, contrasting with proprietary models from OpenAI and Google.

From Barron's • Mar. 26, 2026

Through a proprietary mixture of light nostalgia baiting and ever-present curiosity, Gellar has achieved a rare type of icon status — a superstar who owns her legacy, but isn’t willing to rest on her laurels.

From Salon • Mar. 26, 2026

“I’m going to take him in the back,” I say, putting my hand on the top of the chair in a proprietary fashion.

From "The Cruel Prince" by Holly Black