# third party

> English word · Noun

## Definitions
1. Someone not directly involved in a transaction; an entity beyond the seller (first party) and customer (second party).
2. Someone only incidentally or tangentially connected to an incident or dispute; someone other than the principals; a bystander or independent witness.
3. A political party in opposition to the main parties in a two-party system.
4. A person or party not directly involved with an arrangement, in contrast to active parties, characteristically the first party (producer) and second party (consumer).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/third-party