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third party

Syllabification: (third par·ty)
Translate third party | into French | into German | into Italian
Definition of third party

noun

  • a person or group besides the two primarily involved in a situation, especially a dispute.
  • a political party organized as an alternative to the major parties in a two-party system.

adjective

[attributive]
  • of or relating to a person or group besides the two primarily involved in a situation:third-party suppliers

third party in other Oxford dictionaries

Definition of third party in the British & World English dictionary