third-par·ty
ˈthərd-ˈpär-tē 
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
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
Examples of third-party in a Sentence
Recent Examples on the Web
Gene Marks, Forbes.com, 14 Sep. 2025
The social media giant was also accused of insufficiently managing third-party access to and use of user data.
—Auzinea Bacon, CNN Money, 13 Sep. 2025
Lucy Hurst, MSNBC Newsweek, 18 Sep. 2025
Libertarian thinktank the Cato Institute describes amicus briefs as documents filed by third parties who have a special interest or expertise in a case and want to influence the Court’s decisions.
—Jennah Pendleton, Sacbee.com, 18 Sep. 2025
See All Example Sentences for third-party
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Adjective
Visa recommends SMBs partner with third-party providers to access advanced payment tools without the heavy technical burden.
—Gene Marks, Forbes.com, 14 Sep. 2025
The social media giant was also accused of insufficiently managing third-party access to and use of user data.
—Auzinea Bacon, CNN Money, 13 Sep. 2025
Noun
Click here to download the full report This report has been paid for by a third party.
—Lucy Hurst, MSNBC Newsweek, 18 Sep. 2025
Libertarian thinktank the Cato Institute describes amicus briefs as documents filed by third parties who have a special interest or expertise in a case and want to influence the Court’s decisions.
—Jennah Pendleton, Sacbee.com, 18 Sep. 2025
See All Example Sentences for third-party
Cite this Entry
“Third-party.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/third-party. Accessed 21 Sep. 2025.
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