a third party

Definitions

A person or group besides the two primary parties involved in a situation, contract, or legal dispute.

An entity that is not one of the two main participants in a transaction or agreement, often acting as an intermediary or neutral observer.

Examples

The contract requires that all disputes be settled through a third party mediator.

We hired a third party to conduct an independent audit of our financial records.

You should never share your account password with a third party.

Synonyms

intermediary mediator arbitrator neutral go-between outsider middleman

Antonyms

principal participant insider party protagonist stakeholder member