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third party

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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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Origin of third party

An Americanism dating back to 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for third party

Contemporary Examples

Historical Examples

  • But the one man with the political vision to see the possibilities of the third-party movement, was not a member of a labor union.

  • All this, however, does not prove that the third-party people were not the real forerunners and founders of the Republican party.

    The Abolitionists

    John F. Hume

  • The conference ended with an agreement to support a Third-Party movement directed by Jenkins.

    Secret Armies

    John L. Spivak

  • Since the Civil War, the currency question has twice given life to third-party movements.


British Dictionary definitions for third party

third party

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 propertythird-party insurance
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012