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

As for co-executor roles, removing yourself would not make this go any easier, and you cannot simply hire a third party to replace you.

From MarketWatch

Now, some third parties recognize T-Mobile’s network as the industry’s best.

From MarketWatch

Previous versions of the artwork had also been "sense checked" by third parties and amended based on that feedback, the studio said, adding that action "showed a willingness" to meet social responsibility standards.

From BBC

This can start with hiring a consultant who specializes in evaluating whether it’s better to sell a business to employees, to sell to a third party or to wind things down.

From MarketWatch

In the hopes of reaching agreements on the 16 disputed majors, California Community Colleges contracted WestEd, a nonpartisan education research agency, as a neutral third party to review the proposals.

From Los Angeles Times

Related Words

• mediator