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Synonyms

trilateral

American  
[trahy-lat-er-uhl] / traɪˈlæt ər əl /

adjective

  1. having three sides.


trilateral British  
/ traɪˈlætərəl /

adjective

  1. having three sides

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of trilateral

1650–60; < Latin trilater ( us ) three-sided + -al 1. See tri-, lateral

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The eventual pact could look much different from the trilateral agreement that took effect in 2020, perhaps with separate addendums for Canada and Mexico, Shaw added.

From The Wall Street Journal Jul. 1, 2026

In the 1970s, trilateral relations were transformed by a spirit of reconciliation.

From The Wall Street Journal Jun. 25, 2026

US-led shuttle diplomacy aimed at brokering trilateral talks to end the war has stalled amid the Middle East conflict.

From Barron's May 23, 2026

The last trilateral summit between Russia, the US and Ukraine was in mid-February.

From BBC Apr. 21, 2026

Adj. lateral, sidelong; collateral; parietal, flanking, skirting; flanked; sideling. many sided; multilateral, bilateral, trilateral, quadrilateral.

From Roget's Thesaurus of English Words and Phrases by Roget, Peter Mark

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