the line that divides two countries or areas, the edge of something, a strip around the edge of something

on the border of something, cross the border, border on something

border control, border dispute, border town

Formal and Informal Expressions of border

In different contexts, you can replace 'border' with suitable alternatives. In a more formal setting, 'boundary, perimeter' is apt. In informal speech or writing, 'edge, line' is a commonplace synonym.

border: Explore its Definition & Usage

border Definition

1the line that divides two countries or areas
2the edge of something
3a strip around the edge of something

Using border: Examples

Take a moment to familiarize yourself with how "border" can be used in various situations through the following examples!

Example
The border between Canada and the US is the longest international border in the world.
Example
The garden is bordered by a hedge.
Example
The painting has a gold border.
Example
The town is on the border of the desert.

border Synonyms and Antonyms

Synonyms for border

Antonyms for border

Idioms Using border

on the border of something
very close to a particular state or condition
Example
She was on the border of tears when she heard the news.
cross the border
to go from one country or region into another
Example
They crossed the border into Mexico to go on vacation.
border on something
to be almost the same as something else, or to have only a small difference
Example
His behavior borders on rudeness sometimes.

Phrases with border

border control
the measures taken by a country to regulate and monitor the movement of people, animals, and goods across its borders
Example
Border control has become stricter since the pandemic started.
border dispute
a disagreement between two countries or regions over the demarcation of their borders
Example
The border dispute between India and China has been ongoing for years.
border town
a town or city located near a border between two countries or regions
Example
Tijuana is a popular border town between Mexico and the US.

Origins of border

from Old French 'bordure', meaning 'border, edge, margin'

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Summary: border in Brief

The term 'border' [ˈbɔːdə(r)] refers to the line dividing two countries or areas, or the edge of something. It can also refer to a strip around the edge of something. Examples include 'The border between Canada and the US is the longest international border in the world.' and 'The garden is bordered by a hedge.' Phrases like 'border control' and idioms like 'on the border of something' extend the concept.