boundary Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "boundary" - English Dictionary

See all translations

boundarynoun [C]

uk   /ˈbaʊn.dər.i/ /-dri/  us   /-dɚ-/
C1 a real or imagined line that marks the edge or limit of something: The Ural mountains mark the boundary between Europe and Asia. Residents are opposed to the prison being built within the city boundary.C1 the limit of a subject or principle: Electronic publishing is blurring the boundaries between dictionaries and encyclopedias.
More examples
(Definition of boundary from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of boundary?
Add Cambridge dictionaries to your browser to your website

Definitions of “boundary” in other dictionaries

SMART Thesaurus: Territorial boundaries

“boundary”: synonyms and related words:

You can also find related words, phrases, and synonyms in the topics:

Word of the Day
athlete

a person who is very good at sports or physical exercise, especially one who competes in organized events

Word of the Day

When’s dinner? (Words for different meals)
When’s dinner? (Words for different meals)
by Kate Woodford,
July 22, 2015
Here at ‘About Words’ we’re always happy to get ideas for posts that we could write. A reader of this blog recently asked for a post on the language of meals and we thought this an excellent idea. If you are reading this post and have an idea for a topic or

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More