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Hi everybody Emotion: smile

i just wanted to know what's the difference between Border , Frontier& Boundary ??

Cause to be frank , it's a little bit confusing !
some ppl say that frontier is a border between two countries or smthn and usually with official check points ?? does that mean border is normally without official check points or what ? 
and what about Boundary ? 

thanks in advance! 
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Mohamed241i just wanted to know what's the difference between Border , Frontier & Boundary ??
Hi;
Welcome to the Forums!

A border is an official property line that marks where one country/state ends and another begins.
The border is patrolled.
The border between Mexico and the US has been changed by treaty several times in history due to the changing course of the Rio Grande.
There are welcome centers built along the major highways where they cross the state borders.

Boundary generally refers to lines that delimit property (private or public) within a country.
The boundaries of my farm are shown on this map.
Last night, he crossed the boundary of the national park.

However, border and boundary are sometimes used interchangably.

Frontier - this is not a line, but an area that is not developed. A frontier can span borders.
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Thank you so much , that was really helpful Emotion: smile

Border


It's a noun as well as verb.

Synonyms:
adjective: frontier
verb: abut, edge, hem, verge, bound, fringe, adjoin
noun: edge, verge, margin, boundary, frontier, limit, fringe, brim, bound, rim, brink, edging, hem, march, side

As a Noun
plural: borders

1. A line separating two political or geographical areas, esp. countries
              • the German border with Denmark
            • border patrols
2. A district near such a line
  • refugee camp on the border
3. The edge or boundary of something, or the part near it
  • the northern border of their distribution area
  • the unknown regions at the borders of physics and electronics
4. A band or strip, esp. a decorative one, around the edge of something
  • put a white border around the picture
5. A strip of ground along the edge of a lawn or path for planting flowers or shrubs
  • the garden borders are planted with perennials
As a verb.
borders 3rd person singular present; bordered past tense; bordered past participle; bordering present participle

1. Form an edge along or beside (something)
  • a pool bordered by palm trees
2. (of a country or area) Be adjacent to (another country or area)
  • regions bordering Azerbaijan
  • the park is east of San Diego, bordering on Mexico
3. Be close to an extreme condition
  • Sam arrived in a state of excitement bordering on hysteria
4. Provide (something) with a decorative edge
  • a curving driveway bordered with chrysanthemums

Frontier

It's a noun.

Synonyms:

adjective: borderline
noun: border, boundary, bound, limit, line, march, confine, mete, borderline

plural: frontiers

1. A line or border separating two countries

2. The district near such a line

3. The extreme limit of settled land beyond which lies wilderness, esp. referring to the western US before Pacific settlement
  • his novel of the American frontier
4. The extreme limit of understanding or achievement in a particular area
  • the success of science in extending the frontiers of knowledge

Bounday


1. A line that marks the limits of an area; a dividing line
  • the eastern boundary of the wilderness
  • the boundary between the U.S. and Canada
  • a boundary wall
2. A limit of a subject or sphere of activity
  • a community without class or political boundaries
I hope that it'll be useful to you in preventing your confusion.
WITH BEST WISHES,
SYED HADI SHAH