boundary

noun bound·ary \ ˈbau̇n-d(ə-)rē \
Updated on: 19 Nov 2017

Definition of boundary

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

play \-ləs\ adjective

boundarylessness

noun

Examples of boundary in a Sentence

  1. Those two trees mark the boundary of our property.

  2. The river forms the country's western boundary.

  3. at the boundary between fact and fiction

  4. You need to set boundaries with your children.

  5. Did he violate the boundaries of the doctor-patient relationship?

Recent Examples of boundary from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'boundary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of boundary



BOUNDARY Defined for English Language Learners

boundary

noun

Definition of boundary for English Language Learners

  • : something (such as a river, a fence, or an imaginary line) that shows where an area ends and another area begins

  • : a point or limit that indicates where two things become different

  • boundaries : unofficial rules about what should not be done : limits that define acceptable behavior


BOUNDARY Defined for Kids

boundary

noun bound·ary \ ˈbau̇n-də-rē , ˈbau̇n-drē \

Definition of boundary for Students

plural boundaries
:something that points out or shows a limit or end :a dividing line

Law Dictionary

boundary

noun bound·ary

legal Definition of boundary

plural boundaries
:a theoretical line that marks the limit of an area of land


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