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Definition boundary in British English

boundary noun

[countable] noun
/ˈbaʊnd(ə)ri/

▪ cross, define, establish, extend, overstep, push back

1

something such as a line on a map that marks where one area of land ends and another begins

Example

a proposal to redraw the city boundary

Example

Akbar extended the boundaries of his empire in the north and to the south.

Example

Estonians and Latvians began to query the status of their boundaries with Russia.

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1.1

a physical object such as a wall or fence that marks the limits of an area

Example

a boundary fence/wall

Example

The lane once formed the boundary between the two villages.

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2

the limits of an activity or experience

Example

a community in which class boundaries are very clearly drawn

Example

new research that pushes back the boundaries of genetic science

Example

The party's support cuts across religious boundaries (=is not influenced by differences among religions).

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Example

The boundary between fact and fiction in her writing is often blurred.

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3

the outer edge of the playing area in cricket

Synonyms and related words
Definition boundary in British English