boundary

noun

bound·​ary ˈbau̇n-d(ə-)rē How to pronounce boundary (audio)
plural boundaries
: something that indicates or fixes a limit or extent
Those two trees mark the boundary of our property.
the mountain range that forms the country's northern boundary
boundaryless adjective
boundarylessness noun

Examples of boundary in a Sentence

Those two trees mark the boundary of our property. The river forms the country's western boundary. at the boundary between fact and fiction You need to set boundaries with your children. Did he violate the boundaries of the doctor-patient relationship?
Recent Examples on the Web Be sure to communicate clearly and set boundaries, as Venus clashes with Neptune on June 16, potentially triggering illusions and misunderstandings. Valerie Mesa, Peoplemag, 7 June 2024 Typically, original claims arise from state disputes over boundaries or river water. David G. Savage, Los Angeles Times, 4 June 2024 Researchers at Tohoku University in Japan reported a new metallurgical scheme that could finally generate large, single grains of copper that cross the boundary. IEEE Spectrum, 4 June 2024 But Friday at Trump Tower was another reminder that as the November election gets closer and the political season comes to predominate, Trump can be expected to test and exceed the boundaries of fact and fiction one again. Ron Elving, NPR, 2 June 2024 See all Example Sentences for boundary 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'boundary.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1598, in the meaning defined above

Time Traveler
The first known use of boundary was in 1598

Dictionary Entries Near boundary

Cite this Entry

“Boundary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boundary. Accessed 21 Jun. 2024.

Kids Definition

boundary

noun
bound·​ary ˈbau̇n-d(ə-)rē How to pronounce boundary (audio)
plural boundaries
: something that points out or shows a limit or end : dividing line

Legal Definition

boundary

noun
bound·​ary
plural boundaries
: a theoretical line that marks the limit of an area of land

More from Merriam-Webster on boundary

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