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.

To win an “alienation of affection” claim, as it is known legally, a plaintiff must prove three points: that there was genuine “love and affection” between the spouses before the third party intervened.

From The Wall Street Journal • Apr. 18, 2026

And he repeatedly stated that Iran had agreed to the removal of its enriched uranium from the country, either to the United States or to a third party.

From Los Angeles Times • Apr. 17, 2026

Are you tenants in common, where one party can leave their share to a third party?

From MarketWatch • Apr. 16, 2026

They said that Meta’s design and delivery of third party content is in and of itself problematic, causing social media addiction and putting children at risk for exploitation.

From Salon • Apr. 16, 2026

Any third party whom you might make their commander cannot immediately seize enough authority to harm you.

From "The Prince" by Niccolò Machiavelli