First-party

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of or relating to someone (a first party) directly involved in a given transaction, such as a buyer or seller. not-comparable
  2. 2
    Of or relating to the plaintiff in a lawsuit. not-comparable
  3. 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. not-comparable

    "a first-party video game; a first-party character; first-party hardware"

Example

More examples

"We provide highly accurate and thoroughly cleaned mobile and telephone number lists sourced from trusted first-party databases. All our data is verified, deduplicated, and formatted for immediate use, ensuring maximum deliverability and efficiency in your marketing, telemarketing, and customer outreach campaigns. With 100% permission-based data and continuous updates, our number lists help businesses connect with real, active users and achieve better conversion rates. Perfect for SMS marketing, cold calling, lead generation, and CRM integration."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.