third party

third party

n.

1. A political party organized as opposition to the existing parties in a two-party system.

2. One other than the principals involved in a transaction: I pay rent to a third party, not directly to the landlord.

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third party

Noun

a person who is involved in an event, legal proceeding, agreement, or other transaction only by chance or indirectly

Adjective

third-party

Insurance providing protection against liability caused by accidental injury or death of other people: third-party cover

Thesaurus

Noun	1.	third party - someone other than the principals who are involved in a transaction arbitrator, umpire, arbiter - someone chosen to judge and decide a disputed issue; "the critic was considered to be an arbiter of modern literature"; "the arbitrator's authority derived from the consent of the disputants"; "an umpire was appointed to settle the tax case"
	2.	third party - a political party organized in opposition to the major parties in a two-party system party, political party - an organization to gain political power; "in 1992 Perot tried to organize a third party at the national level"