bound·ary noun \ˈbau̇n-d(ə-)rē\
: 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
: something that indicates or fixes a limit or extent
— bound·ary·less \-ləs\ adjective
— bound·ary·less·ness noun
Examples of BOUNDARY
- 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?
Origin of BOUNDARY
2bound + 1-ary
First Known Use: 1598
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