Synonyms for Third party:

• n.

  •group (noun)
  • third party.
  •group other than principals (noun)
  • minor party,
  • third force,
  • unbiased observer,
  • mediator.
  •Other relevant words: (noun)
  • arbitrator,
  • party,
  • political party,
  • arbiter.

• Other synonyms:

  •
  • Third Way,
  • centrist.
  •
  • appear,
  • bring,
  • call,
  • cite,
  • appeal,
  • claim,
  • arraign,
  • bring before.
  •
  • defendant,
  • aggrieved,
  • complainant,
  • appellant,
  • expert witness,
  • the accused,
  • the court,
  • alibi,
  • challenge.
  •
  • the center,
  • liberal.
  •
  • center.

Hyponym for Third party:

• n.

  • group
    political party, party.
  • person
    umpire, arbiter, arbitrator.