What context can I use each word in?
Learn when and how to use these words with these examples!
border
Example
The river forms a natural border between the two countries. [border: noun]
Example
She carefully painted the border of the picture frame. [border: verb]
perimeter
Example
The perimeter of the square is equal to four times the length of one side. [perimeter: noun]
Example
They fenced off the perimeter of the construction site for safety. [perimeter: noun]
Good things to know
Which word is more common?
Border is more commonly used than perimeter in everyday language, especially when referring to country borders or boundaries. Perimeter is more technical and specific to geometry or mathematical contexts.
What’s the difference in the tone of formality between border and perimeter?
While border can be used in both formal and informal contexts, perimeter is more commonly used in formal or technical settings, such as mathematics or scientific discussions.
