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.

The notorious bidding war for a Palm Beach estate between Trump and Jeffrey Epstein involved a third party.

From Salon • Jun. 9, 2026

But prices of those tokens cratered after people on social media pointed to guidance that OpenAI and Anthropic issued saying they wouldn’t honor stakes that had been transferred to a third party using an SPV.

From MarketWatch • May 20, 2026

The company believes this LLM will give it a competitive advantage and control over AI costs, “with little to no reliance on third party LLMs,” Abrahami added.

From Barron's • May 13, 2026

There is unlikely to be a serious third party, much less a fourth or fifth.

From The Wall Street Journal • May 11, 2026

The third party he presumed responsible was the United States government.

From "Endgame" by Frank Brady