See also: third-party
- Someone not directly involved in a transaction. A third entity in the Seller (first party) and Customer (second party) relationship. A Seller may employ a third party to perform specific services to augment the value of a product. For example, a manufacturer may employ a third party to pack and distribute a product. A computer manufacturer may augment their product with software from a third-party supplier.
- Someone only incidentally or tangentially connected to an incident or dispute; someone other than the principals; a bystander or independent witness.
- A political party in opposition to the main parties in a two-party system
2010, Duncan Watts, Dictionary of American Government and Politics, ISBN 0748635025, page 177:
- Those who belong to the Libertarian Party serve a much larger pro-liberty community and have the specific mission of electing libertarians to public office. They traditionally billed themselves as 'America's largest third party'.
- third-party (adjective)
someone not directly involved in a transaction.
a political party in opposition to the main parties in a two-party system