boundary

noun

/ˈbaʊndri/

(plural boundaries)

Idioms

jump to other results

a real or imagined line that marks the limits or edges of something and separates it from other things or places; a dividing line
- After the war the national boundaries were redrawn.
- (British English) county boundaries
- boundary changes/disputes
- The fence marks the boundary between my property and hers.
- Scientists continue to push back the boundaries of human knowledge.
- It is up to the teacher to set the boundary between acceptable and unacceptable behaviour.
- He could just see her beyond the boundary wall of the cemetery.
- to extend the boundaries of high art to include some popular music
Synonyms border
border
- boundary
- frontier
These are all words for a line that marks the edge of something and separates it from other areas or things.
- border the line that separates two countries or areas; the land near this line:
  a national park on the border between Kenya and Tanzania
- boundary a line that marks the edges of an area of land and separates it from other areas:
  The fence marked the boundary between my property and hers.
- frontier (British English) the line that separates two countries or areas; the land near this line:
  The river formed the frontier between the land of the Saxons and that of the Danes.
which word?
The point where you cross from one country to another is usually called the border. In British English it can also be called the frontier, but this is often in a context of wildness, danger and uncertainty:
The rebels control the frontier and the surrounding area.
The line on a map that shows the border of a country can be called the boundary but ‘boundary’ is not used when you cross from one country to another:
After the war the national boundaries were redrawn.
Thousands of immigrants cross the boundary every day.
Boundary can also be a physical line between two places, for example between property belonging to two different people, marked by a fence or wall:
the boundary fence/wall between the properties
Patterns
- across/along/on/over a/the border/boundary/frontier
- at the boundary/frontier
- the border/boundary/frontier with a place
- the northern/southern/eastern/western border/boundary/frontier
- a national/common/disputed border/boundary/frontier
Extra Examples
- His policies appeal across party political boundaries.
- In her performance she had clearly overstepped the boundaries of good taste.
- She had never strayed beyond the city boundaries.
- The internet has blurred the boundary between news and entertainment.
- The boundary was fixed just south of the farm.
- The river forms the boundary.
- The state has a boundary with Ontario.
- They drove across the boundary.
- This goes beyond the boundaries of what is accepted.
- This job crosses the traditional boundary between social work and healthcare.
- We continued along the southern boundary of the county.
- We had to stop at the boundary.
- We've just crossed the boundary into Sussex.
- a boundary dispute between Brazil and Paraguay
- a boundary dispute with their neighbours
- keeping within the boundaries of the law
- on the boundary of physics and chemistry
- research which extends the boundaries of human knowledge
- the boundary between Sussex and Surrey
- the boundary between sanity and insanity
- within the boundaries of the old city walls
- Our aim is to extend the boundaries of high art to include some popular music.
- Three settlers were killed in a boundary dispute last week.
Topics Gardensc1
Oxford Collocations Dictionary
adjective
- common
- northern
- southern
- …
verb + boundary
- have
- form
- mark
- …
boundary + noun
- fence
- hedge
- line
- …
preposition
- across the boundary
- over the boundary
- along the boundary
- …
See full entry
(in cricket) a hit of the ball that crosses the boundary of the playing area and scores extra points
- He hit 13 boundaries from 183 balls.
Topics Sports: ball and racket sportsc2

Word Originearly 17th cent.: variant of dialect bounder, from bound ‘boundary’ + -er, perhaps on the pattern of limitary.

Idioms

push the boundaries/limits

to attempt to go beyond what is allowed or thought to be possible
- We aim to push the boundaries of what we can achieve.
- She pushes her physical limits through various endurance challenges.

单词	boundary
释义	boundary noun /ˈbaʊndri/ /ˈbaʊndri/ (plural boundaries) Idioms jump to other results a real or imagined line that marks the limits or edges of something and separates it from other things or places; a dividing line After the war the national boundaries were redrawn. (British English) county boundaries boundary changes/disputes The fence marks the boundary between my property and hers. Scientists continue to push back the boundaries of human knowledge. It is up to the teacher to set the boundary between acceptable and unacceptable behaviour. He could just see her beyond the boundary wall of the cemetery. to extend the boundaries of high art to include some popular music Synonyms borderborder boundary frontier These are all words for a line that marks the edge of something and separates it from other areas or things. border the line that separates two countries or areas; the land near this line: a national park on the border between Kenya and Tanzania boundary a line that marks the edges of an area of land and separates it from other areas: The fence marked the boundary between my property and hers. frontier (British English) the line that separates two countries or areas; the land near this line: The river formed the frontier between the land of the Saxons and that of the Danes. which word?The point where you cross from one country to another is usually called the border. In British English it can also be called the frontier, but this is often in a context of wildness, danger and uncertainty: The rebels control the frontier and the surrounding area. The line on a map that shows the border of a country can be called the boundary but ‘boundary’ is not used when you cross from one country to another: After the war the national boundaries were redrawn. Thousands of immigrants cross the boundary every day. Boundary can also be a physical line between two places, for example between property belonging to two different people, marked by a fence or wall: the boundary fence/wall between the properties Patterns across/along/on/over a/the border/boundary/frontier at the boundary/frontier the border/boundary/frontier with a place the northern/southern/eastern/western border/boundary/frontier a national/common/disputed border/boundary/frontier Extra Examples His policies appeal across party political boundaries. In her performance she had clearly overstepped the boundaries of good taste. She had never strayed beyond the city boundaries. The internet has blurred the boundary between news and entertainment. The boundary was fixed just south of the farm. The river forms the boundary. The state has a boundary with Ontario. They drove across the boundary. This goes beyond the boundaries of what is accepted. This job crosses the traditional boundary between social work and healthcare. We continued along the southern boundary of the county. We had to stop at the boundary. We've just crossed the boundary into Sussex. a boundary dispute between Brazil and Paraguay a boundary dispute with their neighbours keeping within the boundaries of the law on the boundary of physics and chemistry research which extends the boundaries of human knowledge the boundary between Sussex and Surrey the boundary between sanity and insanity within the boundaries of the old city walls Our aim is to extend the boundaries of high art to include some popular music. Three settlers were killed in a boundary dispute last week. Topics Gardensc1 Oxford Collocations Dictionaryadjective common northern southern … verb + boundary have form mark … boundary + noun fence hedge line … preposition across the boundary over the boundary along the boundary … See full entry (in cricket) a hit of the ball that crosses the boundary of the playing area and scores extra points He hit 13 boundaries from 183 balls. Topics Sports: ball and racket sportsc2 Word Originearly 17th cent.: variant of dialect bounder, from bound ‘boundary’ + -er, perhaps on the pattern of limitary. Idioms push the boundaries/limits to attempt to go beyond what is allowed or thought to be possible We aim to push the boundaries of what we can achieve. She pushes her physical limits through various endurance challenges.
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