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
Stephen Moore, Boston Herald, 1 Dec. 2025
What To Know On Wednesday, a poll from Emerson College showed Van Epps leading Behn 48 percent to 46 percent among likely voters, with five percent undecided and two percent backing third-party candidates.
—Kate Plummer, MSNBC Newsweek, 1 Dec. 2025
Charlotte Reck, CNN Money, 4 Dec. 2025
To identify the target audience for the ads, software embedded in the app or webpage shares information collected about the user, including their location, with the third parties placing the bids.
—Emilee Rader, The Conversation, 3 Dec. 2025
See All Example Sentences for third-party
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Adjective
What’s really nefarious is that the third-party investors, not the injured party, often walk away with the bulk of the jackpot awards.
—Stephen Moore, Boston Herald, 1 Dec. 2025
What To Know On Wednesday, a poll from Emerson College showed Van Epps leading Behn 48 percent to 46 percent among likely voters, with five percent undecided and two percent backing third-party candidates.
—Kate Plummer, MSNBC Newsweek, 1 Dec. 2025
Noun
The Eurovision meeting was held at the Geneva headquarters of the EBU, a group of public broadcasters from 56 countries, to consider new rules unveiled last month to limit governments and third parties from disproportionately influencing voting.
—Charlotte Reck, CNN Money, 4 Dec. 2025
To identify the target audience for the ads, software embedded in the app or webpage shares information collected about the user, including their location, with the third parties placing the bids.
—Emilee Rader, The Conversation, 3 Dec. 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 5 Dec. 2025.
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