'third party' definitions:
Definition of 'third party'
From: WordNet
noun
Someone other than the principals who are involved in a transaction
noun
A political party organized in opposition to the major parties in a two-party system
Synonyms of 'third party'
From: Moby Thesaurus
- American Party,
- Anti-Monopoly Party,
- arbiter,
- arbitrator,
- Bull Moose Party,
- camp,
- city hall,
- Communist Party,
- Conservative Party,
- Constitutional Union Party,
- Democratic Party,
- Democratic-Republican Party,
- faction,
- Farmer-Labor Party,
- Federalist Party,
- Free Soil Party,
- Greenback Party,
- impartial arbitrator,
- judge,
- Know-Nothing Party,
- Labour Party,
- Liberal Party,
- Liberal Republican Party,
- Liberty Party,
- machine,
- magistrate,
- major party,
- minor party,
- moderator,
- multiple party system,
- National Republican Party,
- one-party system,
- opposition party,
- party,
- party in power,
- political machine,
- political party,
- Populist Party,
- Progressive Party,
- Prohibition Party,
- referee,
- Republican Party,
- Socialist Labor Party,
- Socialist Party,
- Socialist Workers Party,
- splinter party,
- Tammany Hall,
- Tory Party,
- two-party system,
- umpire,
- unbiased observer,
- Whig Party