# first-party

> English word · Adjective

## Definitions
1. Of or relating to someone (a first party) directly involved in a given transaction, such as a buyer or seller.
2. Of or relating to the plaintiff in a lawsuit.
3. Of products, created or published by the company responsible for the platform on which it is released (or its internal developers), as opposed to third-party.

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