Definition

Relating to or involving three sides, countries, or parties.

Example

The trilateral agreement was signed by the three nations involved.

Conversation

Did you hear about the new trilateral agreement between our country, Canada, and Mexico?

Yeah, I read something about it; it sounds promising for trade.

I think it's great that they're focusing on trilateral cooperation.

Absolutely, it could really strengthen relations among the three nations.

Synonyms & Antonyms

Root Explanation

Trilateral is formed from "tri-" (meaning three) and "latus" (meaning side). The word describes something that has three sides, such as a triangle.

Memory Tip

Think of 'tri-' meaning three and 'latus' meaning side — this helps you remember that 'trilateral' refers to something with three sides.

Visually Confused Words