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Definition of trilateral

trilateral

/traɪˈlæt.ər.əl/
tri · lat · er · al
Adverb:trilaterally
•
Plural:trilaterals
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trilateral Lexical Profile

trilateral Game Scores & Validity

• adjective

1

Shared by, involving, or taking place among three parties, groups, or nations.

Example

"The leaders signed a trilateral trade agreement to boost commerce across the region."

2

Having or consisting of three sides (especially in geometry).

Example

"The courtyard was designed around a symmetrical trilateral fountain."

Synonyms
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Antonyms
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• noun

1

A geometric figure or shape that has three sides; a triangle.

Example

"In projective geometry, a complete trilateral consists of three lines and their three points of intersection."

Synonyms
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• Rhymes for trilateral

• Nearby Words

trigonometric
trigonometry
trike
trilateral
trilby
trilingual
trilingualism

Word Origin & Etymology

Borrowed in the mid-17th century from Late Latin trilateralis, formed from Latin tri- ('three') and latus ('side').

Cite this Entry

Wordmom. (2026). Definition of Trilateral. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/trilateral
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