What context can I use each word in?
Learn when and how to use these words with these examples!
triangular
Example
The roof of the house is triangular in shape. [triangular: adjective]
Example
The pizza slice is triangular. [triangular: adjective]
Example
The triangular relationship between the three friends was complicated. [triangular: adjective]
trilateral
Example
The trilateral trade agreement involved the United States, Canada, and Mexico. [trilateral: adjective]
Example
The trilateral border between Laos, Thailand, and Myanmar is heavily guarded. [trilateral: adjective]
Example
The trilateral talks between China, Japan, and South Korea were successful. [trilateral: noun]
Good things to know
Which word is more common?
Triangular is more common than trilateral in everyday language and can be used in a variety of contexts. Trilateral is less common and is typically used in political or diplomatic contexts.
What’s the difference in the tone of formality between triangular and trilateral?
Trilateral is more formal than triangular and is typically used in official or diplomatic contexts. Triangular can be used in both formal and informal contexts and has a neutral connotation.
