third party


any party to an incident, case, quarrel, etc., who is incidentally involved.
(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.

Origin of third party

An Americanism dating back to 1795–1805 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for third party

Contemporary Examples of third party

Historical Examples of third party

  • 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


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


insurance providing protection against liability caused by accidental injury or death of other persons or damage to their propertythird-party insurance
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