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boundary
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/ˈbaʊnd(ə)ri/ 
| singular | boundary |
| plural | boundaries |
- 1something such as a line on a map that marks where one area of land ends and another begins
a proposal to redraw the city boundary to include more land for housing
Akbar extended the boundaries of his empire in the north and south.
boundary with:Rhode Island shares boundaries with the states of Massachusetts, Connecticut, and New York.
boundary between:The Una River forms a natural boundary between the two countries.
- 2[usually plural] the limits of an activity or experience
a community in which class boundaries are very clearly drawn
push back/extend the boundaries of something:new research that pushes back the boundaries of genetic science
cut across boundaries:The party’s support cuts across religious boundaries (=is not influenced by differences among religions).
Collocations: boundary
▪ cross, define, establish, extend, overstep, push back
This is the American English definition of boundary. View British English definition of boundary.
Change your default dictionary and thesaurus to British English.
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