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third-party

adjective

Definition of third-party

1 :of, relating to, or involving a third party
  • third-party insurance
2 :of, relating to, or being software that is created by a vendor to be compatible with the products of another vendor

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First Known Use of third-party

1901

third party

noun

Definition of third party

1 :a person other than the principals
  • a third party to a divorce proceeding
  • insurance against injury to third parties
2 a :a major political party operating over a limited period of time in addition to two other major parties in a nation or state normally characterized by a two-party system
b :minor party

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First Known Use of third party

1641

THIRD-PARTY Defined for English Language Learners

third-party

adjective

Definition of third-party for English Language Learners

  • law : of, relating to, or involving insurance that pays money to someone who is harmed by your actions

third party

noun

Definition of third party for English Language Learners

  • law : someone who is not one of the two main people involved in a legal agreement but who is still affected by it in some way

Law Dictionary

third party

legal Definition of third party

see party 1a, b

Learn More about third-party

  1. See words that rhyme with third-party

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