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
Heather Jones, Verywell Health, 4 June 2025
Third-Party Extensions With Excessive Permissions A major but often ignored risk is the misuse of third-party browser extensions that can access cloud content.
—Expert Panel®, Forbes.com, 4 June 2025
Thomas Coughlin, Forbes.com, 23 May 2025
The document said Lopez would be ineligible to return to Microsoft as an employee, contractor, or in any other capacity, including an employee of a Microsoft partner, customer or other third party.
—Hayden Field, CNBC, 22 May 2025
See All Example Sentences for third-party
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Adjective
Look for reputable brands that have been third-party tested for quality.
—Heather Jones, Verywell Health, 4 June 2025
Third-Party Extensions With Excessive Permissions A major but often ignored risk is the misuse of third-party browser extensions that can access cloud content.
—Expert Panel®, Forbes.com, 4 June 2025
Noun
Seagate’s first generation HAMR drives used third party lasers to heat the disks.
—Thomas Coughlin, Forbes.com, 23 May 2025
The document said Lopez would be ineligible to return to Microsoft as an employee, contractor, or in any other capacity, including an employee of a Microsoft partner, customer or other third party.
—Hayden Field, CNBC, 22 May 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 7 Jun. 2025.
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