Definitions

third party

NOUN

group other than principals

Synonyms

STRONGEST

mediator

WEAK

arbiter arbitrator minor party third force unbiased observer

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.

We don’t actually know 100% what she/he said or did — only that she reacted strongly and that response was reported to a third party.

From MarketWatch • Apr. 13, 2026

Facebook's third party fact-checking service has labelled the post as "partly false".

From BBC • Apr. 4, 2026

But some companies now offer the ability to pay for purchases without your phone, by providing your biometrics, which are stored by the company or a third party.

From The Wall Street Journal • Mar. 20, 2026

Lawyers already are barred under the State Bar’s rules from allowing a third party to dictate case strategy and are barred in many cases from sharing legal fees with a nonlawyer.

From Los Angeles Times • Mar. 17, 2026

"Yes, sir, he put through the sale—though he made it clear that he was buying Soldier Island for a third party, unnamed."

From "And Then There Were None" by Agatha Christie