Definition

Noun: 1. A person or group besides the two (or more) primary parties directly involved in a situation, agreement, or dispute: This entity is not one of the main participants but may be affected by, have an interest in, or provide a service related to the primary relationship. 2. A political party organized as an alternative to the two dominant parties in a two-party system: A minor party that competes in elections but is not one of the two major established parties.

Usage and Examples

• In legal or business contexts:
  • The contract includes a clause protecting confidential information from being disclosed to any third party.
  • Payments are processed through a secure third-party payment gateway.
• In disputes or conflicts:
  • They asked a neutral third party to mediate the argument.
  • The insurance company is a third party in the accident claim between the two drivers.
• In politics:
  • The candidate from the third party gained significant support in the election.
  • Voters frustrated with the two major parties often consider third-party options.

Advanced Usage and Notes

• The term is frequently used attributively (as a modifier before a noun) with a hyphen: third-party.
  • We use a third-party vendor for software support.
  • The investigation was conducted by a third-party auditor.
• In legal terminology, "third-party beneficiary" refers to someone who is not a party to a contract but is intended to benefit from it.

Variants and Related Words

• Third-party (adjective): Of, involving, or relating to a third party.
  • Third-party insurance; third-party verification.

Synonyms

• Other party
• Outside party
• Independent entity
• Intermediary (when the third party acts as a go-between)
• Minor party (specifically in politics)

Related Concepts and Phrases

• Third-party liability: Legal responsibility for damages or injuries suffered by a person who is not a direct participant in an activity or contract.
• To bring in a third party: To involve an independent person or group to assist or judge.
• Disinterested third party: A neutral party with no stake in the outcome.

Noun

1. a political party organized in opposition to the major parties in a two-party system
2. someone other than the principals who are involved in a transaction