third-par·​ty | \ ˈthərd-ˈpär-tē How to pronounce third-party (audio) \

Definition of third-party

 (Entry 1 of 2)

1 : of, relating to, or involving a third party third-party insurance
2 : of, relating to, or being software that is created by a vendor to be compatible with the products of another vendor

third party


Definition of third party (Entry 2 of 2)

1 : a person other than the principals a third party to a divorce proceeding insurance against injury to third parties
2a : a major political party operating over a limited period of time in addition to two other major parties in a nation or state normally characterized by a two-party system

Examples of third-party in a Sentence

Recent Examples on the Web: Noun Standing by his locker in the Dodgers’ spring training facility, Kershaw listened as these concerns were relayed to him by a third party. Dylan Hernándezcolumnist, Los Angeles Times, 23 Mar. 2022 The city, under state law, must bring in a third party to conduct the blight study. cleveland, 8 Feb. 2022 Of the 38 felony murder cases that Injustice Watch identified involving a third party, a police officer was the shooter in more than half., 29 Jan. 2022 When people listen to music on Spotify, the streamer has to pay a third party (usually the record label). Kate Knibbs, Wired, 27 Jan. 2022 Many brands balk at using a third party like Facebook, Google or Amazon to verify identity, authenticate the user or even handle the payment process. Jonathan Kay, Forbes, 26 Jan. 2022 If Connecticut is unable to reach its goal, the General Assembly could authorize PURA to hire a third party to administer programs, said Arconti, a Danbury Democrat. Stephen Singer,, 24 Jan. 2022 The Scouts will hire anindependent third party to review its youth protection program. Cara Kelly, USA TODAY, 16 Dec. 2021 The board will hear a recommendation from Throne to start the process to hire a third party to review what happened in the school. David Jesse, Detroit Free Press, 14 Dec. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'third-party.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of third-party


1901, in the meaning defined at sense 1


1641, in the meaning defined at sense 1

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Time Traveler for third-party

Time Traveler

The first known use of third-party was in 1641

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Dictionary Entries Near third-party

third-order reaction


third party

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Cite this Entry

“Third-party.” Dictionary, Merriam-Webster, Accessed 23 May. 2022.

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More Definitions for third-party

third party

Legal Definition of third party

— see party sense 1a, b


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