Third Party Definition
thʉrdpärtē
noun
A political party organized to compete against the two major parties in a two-party system.
Webster's New World
One other than the principals involved in a transaction.
I pay rent to a third party, not directly to the landlord.
American Heritage
A person or, often, specif., a legal entity, in a case or matter other than the principals.
Webster's New World
Someone who is not a party to a lawsuit, agreement, or other interaction, but is in some way involved or affected by it; someone other than the principles to an agreement or a lawsuit.
Webster's New World Law
Someone only incidentally or tangentially connected to an incident or dispute; someone other than the principals; a bystander or independent witness.
Wiktionary
adjective
Of or involving a third party.
A third-party candidate, third-party debt collection.
Webster's New World
Designating or of a product developed or manufactured by one vendor, and compatible with or sold along with the product of another vendor.
A third-party software application.
Webster's New World
(video games) Of a video game, developed and published by an independent video game publisher or its internal development teams, as opposed to first-party.
Third-party video game.
Wiktionary
(video games) Originating from such a video game.
Third-party character.
Wiktionary
Other Word Forms of Third Party
Noun
Singular:
third party
Plural:
third-parties
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