trilateral

adjective

tri·​lat·​er·​al (ˌ)trī-ˈla-tə-rəl How to pronounce trilateral (audio)
-ˈla-trəl
: having three sides or parties
trilateral business ventures
trilateral discussions

Examples of trilateral in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the early hours of Sunday morning local time, Iran’s semi-official Tasnim News Agency reported that the delegations had begun a new round of trilateral talks, also saying that significant challenges remained. Ivana Kottasová, CNN Money, 19 Apr. 2026 The fact that the three countries plan to review their trilateral trade agreement, the USMCA, in July during the tournament adds extra weight. Marco Quiroz-Gutierrez, Fortune, 19 Apr. 2026 With the official review of the United States-Mexico–Canada Agreement (USMCA) rapidly approaching, representatives of North America’s textile sector are hoping that the spirit of compromise will be enough to hold the trilateral trade truce together after a trying year. Kate Nishimura, Footwear News, 16 Apr. 2026 Despite the trilateral agreement, Iranian officials closed the strait on Wednesday, saying a massive Israeli air assault on Beirut violated the terms of the deal. Npr Staff, NPR, 10 Apr. 2026 See All Example Sentences for trilateral

Word History

Etymology

Latin trilaterus, from tri- + later-, latus side

First Known Use

1660, in the meaning defined above

Time Traveler
The first known use of trilateral was in 1660

Browse Nearby Words

Cite this Entry

“Trilateral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trilateral. Accessed 1 May. 2026.

Kids Definition

trilateral

adjective
tri·​lat·​er·​al (ˈ)trī-ˈlat-ə-rəl How to pronounce trilateral (audio)
-ˈla-trəl
: having three sides
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