third party

American  

noun

1. any party to an incident, case, quarrel, etc., who is incidentally involved.

2. (in a two-party system) a political party formed as a dissenting or independent group from members of one or both of the two prevailing major parties.

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third party British  

noun

1. a person who is involved by chance or only incidentally in a legal proceeding, agreement, or other transaction, esp one against whom a defendant claims indemnity

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adjective

1. insurance providing protection against liability caused by accidental injury or death of other persons or damage to their property

   third-party insurance

Etymology

Origin of third party

An Americanism dating back to 1795–1805

Example Sentences

The Pokémon Company apologised for advertising the event, organised by a certified third party, through its official website, and said it "should not have been held in the first place".

From BBC

It prevents issuers themselves from paying interest, but doesn’t cover exchanges or third parties like Coinbase.

From The Wall Street Journal

For example, First Brands allegedly sold one customer invoice for $8,976 in parts to a third party, claiming it was worth double that amount.

From The Wall Street Journal

Microsoft’s management suggested growth would be higher if the company put more of its limited resources toward Azure, in pursuit of heavy cloud demand from third parties.

From MarketWatch

Starbucks said a study carried out by an independent third party had "determined that enhanced personal security measures were necessary for Mr. Niccol's personal safety".

From BBC

Related Words

• mediator