boundary

play
noun bound·ary \ˈbau̇n-d(ə-)rē\

Definition of boundary

plural

boundaries

  1. :  something that indicates or fixes a limit or extent

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?

Origin and Etymology of boundary

2bound + 1-ary


First Known Use: 1598



BOUNDARY Defined for English Language Learners

boundary

play
noun bound·ary \ˈbau̇n-d(ə-)rē\

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

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

Definition of boundary for Students

plural

boundaries

  1. :  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

  1. :  a theoretical line that marks the limit of an area of land



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